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/wp-includes/js/jquery/ -> jquery.js (source)

   1  /*!
   2   * jQuery JavaScript Library v3.5.1
   3   * https://jquery.com/
   4   *
   5   * Includes Sizzle.js
   6   * https://sizzlejs.com/
   7   *
   8   * Copyright JS Foundation and other contributors
   9   * Released under the MIT license
  10   * https://jquery.org/license
  11   *
  12   * Date: 2020-05-04T22:49Z
  13   */
  14  ( function( global, factory ) {
  15  
  16      "use strict";
  17  
  18      if ( typeof module === "object" && typeof module.exports === "object" ) {
  19  
  20          // For CommonJS and CommonJS-like environments where a proper `window`
  21          // is present, execute the factory and get jQuery.
  22          // For environments that do not have a `window` with a `document`
  23          // (such as Node.js), expose a factory as module.exports.
  24          // This accentuates the need for the creation of a real `window`.
  25          // e.g. var jQuery = require("jquery")(window);
  26          // See ticket #14549 for more info.
  27          module.exports = global.document ?
  28              factory( global, true ) :
  29              function( w ) {
  30                  if ( !w.document ) {
  31                      throw new Error( "jQuery requires a window with a document" );
  32                  }
  33                  return factory( w );
  34              };
  35      } else {
  36          factory( global );
  37      }
  38  
  39  // Pass this if window is not defined yet
  40  } )( typeof window !== "undefined" ? window : this, function( window, noGlobal ) {
  41  
  42  // Edge <= 12 - 13+, Firefox <=18 - 45+, IE 10 - 11, Safari 5.1 - 9+, iOS 6 - 9.1
  43  // throw exceptions when non-strict code (e.g., ASP.NET 4.5) accesses strict mode
  44  // arguments.callee.caller (trac-13335). But as of jQuery 3.0 (2016), strict mode should be common
  45  // enough that all such attempts are guarded in a try block.
  46  "use strict";
  47  
  48  var arr = [];
  49  
  50  var getProto = Object.getPrototypeOf;
  51  
  52  var slice = arr.slice;
  53  
  54  var flat = arr.flat ? function( array ) {
  55      return arr.flat.call( array );
  56  } : function( array ) {
  57      return arr.concat.apply( [], array );
  58  };
  59  
  60  
  61  var push = arr.push;
  62  
  63  var indexOf = arr.indexOf;
  64  
  65  var class2type = {};
  66  
  67  var toString = class2type.toString;
  68  
  69  var hasOwn = class2type.hasOwnProperty;
  70  
  71  var fnToString = hasOwn.toString;
  72  
  73  var ObjectFunctionString = fnToString.call( Object );
  74  
  75  var support = {};
  76  
  77  var isFunction = function isFunction( obj ) {
  78  
  79        // Support: Chrome <=57, Firefox <=52
  80        // In some browsers, typeof returns "function" for HTML <object> elements
  81        // (i.e., `typeof document.createElement( "object" ) === "function"`).
  82        // We don't want to classify *any* DOM node as a function.
  83        return typeof obj === "function" && typeof obj.nodeType !== "number";
  84    };
  85  
  86  
  87  var isWindow = function isWindow( obj ) {
  88          return obj != null && obj === obj.window;
  89      };
  90  
  91  
  92  var document = window.document;
  93  
  94  
  95  
  96      var preservedScriptAttributes = {
  97          type: true,
  98          src: true,
  99          nonce: true,
 100          noModule: true
 101      };
 102  
 103  	function DOMEval( code, node, doc ) {
 104          doc = doc || document;
 105  
 106          var i, val,
 107              script = doc.createElement( "script" );
 108  
 109          script.text = code;
 110          if ( node ) {
 111              for ( i in preservedScriptAttributes ) {
 112  
 113                  // Support: Firefox 64+, Edge 18+
 114                  // Some browsers don't support the "nonce" property on scripts.
 115                  // On the other hand, just using `getAttribute` is not enough as
 116                  // the `nonce` attribute is reset to an empty string whenever it
 117                  // becomes browsing-context connected.
 118                  // See https://github.com/whatwg/html/issues/2369
 119                  // See https://html.spec.whatwg.org/#nonce-attributes
 120                  // The `node.getAttribute` check was added for the sake of
 121                  // `jQuery.globalEval` so that it can fake a nonce-containing node
 122                  // via an object.
 123                  val = node[ i ] || node.getAttribute && node.getAttribute( i );
 124                  if ( val ) {
 125                      script.setAttribute( i, val );
 126                  }
 127              }
 128          }
 129          doc.head.appendChild( script ).parentNode.removeChild( script );
 130      }
 131  
 132  
 133  function toType( obj ) {
 134      if ( obj == null ) {
 135          return obj + "";
 136      }
 137  
 138      // Support: Android <=2.3 only (functionish RegExp)
 139      return typeof obj === "object" || typeof obj === "function" ?
 140          class2type[ toString.call( obj ) ] || "object" :
 141          typeof obj;
 142  }
 143  /* global Symbol */
 144  // Defining this global in .eslintrc.json would create a danger of using the global
 145  // unguarded in another place, it seems safer to define global only for this module
 146  
 147  
 148  
 149  var
 150      version = "3.5.1",
 151  
 152      // Define a local copy of jQuery
 153      jQuery = function( selector, context ) {
 154  
 155          // The jQuery object is actually just the init constructor 'enhanced'
 156          // Need init if jQuery is called (just allow error to be thrown if not included)
 157          return new jQuery.fn.init( selector, context );
 158      };
 159  
 160  jQuery.fn = jQuery.prototype = {
 161  
 162      // The current version of jQuery being used
 163      jquery: version,
 164  
 165      constructor: jQuery,
 166  
 167      // The default length of a jQuery object is 0
 168      length: 0,
 169  
 170      toArray: function() {
 171          return slice.call( this );
 172      },
 173  
 174      // Get the Nth element in the matched element set OR
 175      // Get the whole matched element set as a clean array
 176      get: function( num ) {
 177  
 178          // Return all the elements in a clean array
 179          if ( num == null ) {
 180              return slice.call( this );
 181          }
 182  
 183          // Return just the one element from the set
 184          return num < 0 ? this[ num + this.length ] : this[ num ];
 185      },
 186  
 187      // Take an array of elements and push it onto the stack
 188      // (returning the new matched element set)
 189      pushStack: function( elems ) {
 190  
 191          // Build a new jQuery matched element set
 192          var ret = jQuery.merge( this.constructor(), elems );
 193  
 194          // Add the old object onto the stack (as a reference)
 195          ret.prevObject = this;
 196  
 197          // Return the newly-formed element set
 198          return ret;
 199      },
 200  
 201      // Execute a callback for every element in the matched set.
 202      each: function( callback ) {
 203          return jQuery.each( this, callback );
 204      },
 205  
 206      map: function( callback ) {
 207          return this.pushStack( jQuery.map( this, function( elem, i ) {
 208              return callback.call( elem, i, elem );
 209          } ) );
 210      },
 211  
 212      slice: function() {
 213          return this.pushStack( slice.apply( this, arguments ) );
 214      },
 215  
 216      first: function() {
 217          return this.eq( 0 );
 218      },
 219  
 220      last: function() {
 221          return this.eq( -1 );
 222      },
 223  
 224      even: function() {
 225          return this.pushStack( jQuery.grep( this, function( _elem, i ) {
 226              return ( i + 1 ) % 2;
 227          } ) );
 228      },
 229  
 230      odd: function() {
 231          return this.pushStack( jQuery.grep( this, function( _elem, i ) {
 232              return i % 2;
 233          } ) );
 234      },
 235  
 236      eq: function( i ) {
 237          var len = this.length,
 238              j = +i + ( i < 0 ? len : 0 );
 239          return this.pushStack( j >= 0 && j < len ? [ this[ j ] ] : [] );
 240      },
 241  
 242      end: function() {
 243          return this.prevObject || this.constructor();
 244      },
 245  
 246      // For internal use only.
 247      // Behaves like an Array's method, not like a jQuery method.
 248      push: push,
 249      sort: arr.sort,
 250      splice: arr.splice
 251  };
 252  
 253  jQuery.extend = jQuery.fn.extend = function() {
 254      var options, name, src, copy, copyIsArray, clone,
 255          target = arguments[ 0 ] || {},
 256          i = 1,
 257          length = arguments.length,
 258          deep = false;
 259  
 260      // Handle a deep copy situation
 261      if ( typeof target === "boolean" ) {
 262          deep = target;
 263  
 264          // Skip the boolean and the target
 265          target = arguments[ i ] || {};
 266          i++;
 267      }
 268  
 269      // Handle case when target is a string or something (possible in deep copy)
 270      if ( typeof target !== "object" && !isFunction( target ) ) {
 271          target = {};
 272      }
 273  
 274      // Extend jQuery itself if only one argument is passed
 275      if ( i === length ) {
 276          target = this;
 277          i--;
 278      }
 279  
 280      for ( ; i < length; i++ ) {
 281  
 282          // Only deal with non-null/undefined values
 283          if ( ( options = arguments[ i ] ) != null ) {
 284  
 285              // Extend the base object
 286              for ( name in options ) {
 287                  copy = options[ name ];
 288  
 289                  // Prevent Object.prototype pollution
 290                  // Prevent never-ending loop
 291                  if ( name === "__proto__" || target === copy ) {
 292                      continue;
 293                  }
 294  
 295                  // Recurse if we're merging plain objects or arrays
 296                  if ( deep && copy && ( jQuery.isPlainObject( copy ) ||
 297                      ( copyIsArray = Array.isArray( copy ) ) ) ) {
 298                      src = target[ name ];
 299  
 300                      // Ensure proper type for the source value
 301                      if ( copyIsArray && !Array.isArray( src ) ) {
 302                          clone = [];
 303                      } else if ( !copyIsArray && !jQuery.isPlainObject( src ) ) {
 304                          clone = {};
 305                      } else {
 306                          clone = src;
 307                      }
 308                      copyIsArray = false;
 309  
 310                      // Never move original objects, clone them
 311                      target[ name ] = jQuery.extend( deep, clone, copy );
 312  
 313                  // Don't bring in undefined values
 314                  } else if ( copy !== undefined ) {
 315                      target[ name ] = copy;
 316                  }
 317              }
 318          }
 319      }
 320  
 321      // Return the modified object
 322      return target;
 323  };
 324  
 325  jQuery.extend( {
 326  
 327      // Unique for each copy of jQuery on the page
 328      expando: "jQuery" + ( version + Math.random() ).replace( /\D/g, "" ),
 329  
 330      // Assume jQuery is ready without the ready module
 331      isReady: true,
 332  
 333      error: function( msg ) {
 334          throw new Error( msg );
 335      },
 336  
 337      noop: function() {},
 338  
 339      isPlainObject: function( obj ) {
 340          var proto, Ctor;
 341  
 342          // Detect obvious negatives
 343          // Use toString instead of jQuery.type to catch host objects
 344          if ( !obj || toString.call( obj ) !== "[object Object]" ) {
 345              return false;
 346          }
 347  
 348          proto = getProto( obj );
 349  
 350          // Objects with no prototype (e.g., `Object.create( null )`) are plain
 351          if ( !proto ) {
 352              return true;
 353          }
 354  
 355          // Objects with prototype are plain iff they were constructed by a global Object function
 356          Ctor = hasOwn.call( proto, "constructor" ) && proto.constructor;
 357          return typeof Ctor === "function" && fnToString.call( Ctor ) === ObjectFunctionString;
 358      },
 359  
 360      isEmptyObject: function( obj ) {
 361          var name;
 362  
 363          for ( name in obj ) {
 364              return false;
 365          }
 366          return true;
 367      },
 368  
 369      // Evaluates a script in a provided context; falls back to the global one
 370      // if not specified.
 371      globalEval: function( code, options, doc ) {
 372          DOMEval( code, { nonce: options && options.nonce }, doc );
 373      },
 374  
 375      each: function( obj, callback ) {
 376          var length, i = 0;
 377  
 378          if ( isArrayLike( obj ) ) {
 379              length = obj.length;
 380              for ( ; i < length; i++ ) {
 381                  if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) {
 382                      break;
 383                  }
 384              }
 385          } else {
 386              for ( i in obj ) {
 387                  if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) {
 388                      break;
 389                  }
 390              }
 391          }
 392  
 393          return obj;
 394      },
 395  
 396      // results is for internal usage only
 397      makeArray: function( arr, results ) {
 398          var ret = results || [];
 399  
 400          if ( arr != null ) {
 401              if ( isArrayLike( Object( arr ) ) ) {
 402                  jQuery.merge( ret,
 403                      typeof arr === "string" ?
 404                      [ arr ] : arr
 405                  );
 406              } else {
 407                  push.call( ret, arr );
 408              }
 409          }
 410  
 411          return ret;
 412      },
 413  
 414      inArray: function( elem, arr, i ) {
 415          return arr == null ? -1 : indexOf.call( arr, elem, i );
 416      },
 417  
 418      // Support: Android <=4.0 only, PhantomJS 1 only
 419      // push.apply(_, arraylike) throws on ancient WebKit
 420      merge: function( first, second ) {
 421          var len = +second.length,
 422              j = 0,
 423              i = first.length;
 424  
 425          for ( ; j < len; j++ ) {
 426              first[ i++ ] = second[ j ];
 427          }
 428  
 429          first.length = i;
 430  
 431          return first;
 432      },
 433  
 434      grep: function( elems, callback, invert ) {
 435          var callbackInverse,
 436              matches = [],
 437              i = 0,
 438              length = elems.length,
 439              callbackExpect = !invert;
 440  
 441          // Go through the array, only saving the items
 442          // that pass the validator function
 443          for ( ; i < length; i++ ) {
 444              callbackInverse = !callback( elems[ i ], i );
 445              if ( callbackInverse !== callbackExpect ) {
 446                  matches.push( elems[ i ] );
 447              }
 448          }
 449  
 450          return matches;
 451      },
 452  
 453      // arg is for internal usage only
 454      map: function( elems, callback, arg ) {
 455          var length, value,
 456              i = 0,
 457              ret = [];
 458  
 459          // Go through the array, translating each of the items to their new values
 460          if ( isArrayLike( elems ) ) {
 461              length = elems.length;
 462              for ( ; i < length; i++ ) {
 463                  value = callback( elems[ i ], i, arg );
 464  
 465                  if ( value != null ) {
 466                      ret.push( value );
 467                  }
 468              }
 469  
 470          // Go through every key on the object,
 471          } else {
 472              for ( i in elems ) {
 473                  value = callback( elems[ i ], i, arg );
 474  
 475                  if ( value != null ) {
 476                      ret.push( value );
 477                  }
 478              }
 479          }
 480  
 481          // Flatten any nested arrays
 482          return flat( ret );
 483      },
 484  
 485      // A global GUID counter for objects
 486      guid: 1,
 487  
 488      // jQuery.support is not used in Core but other projects attach their
 489      // properties to it so it needs to exist.
 490      support: support
 491  } );
 492  
 493  if ( typeof Symbol === "function" ) {
 494      jQuery.fn[ Symbol.iterator ] = arr[ Symbol.iterator ];
 495  }
 496  
 497  // Populate the class2type map
 498  jQuery.each( "Boolean Number String Function Array Date RegExp Object Error Symbol".split( " " ),
 499  function( _i, name ) {
 500      class2type[ "[object " + name + "]" ] = name.toLowerCase();
 501  } );
 502  
 503  function isArrayLike( obj ) {
 504  
 505      // Support: real iOS 8.2 only (not reproducible in simulator)
 506      // `in` check used to prevent JIT error (gh-2145)
 507      // hasOwn isn't used here due to false negatives
 508      // regarding Nodelist length in IE
 509      var length = !!obj && "length" in obj && obj.length,
 510          type = toType( obj );
 511  
 512      if ( isFunction( obj ) || isWindow( obj ) ) {
 513          return false;
 514      }
 515  
 516      return type === "array" || length === 0 ||
 517          typeof length === "number" && length > 0 && ( length - 1 ) in obj;
 518  }
 519  var Sizzle =
 520  /*!
 521   * Sizzle CSS Selector Engine v2.3.5
 522   * https://sizzlejs.com/
 523   *
 524   * Copyright JS Foundation and other contributors
 525   * Released under the MIT license
 526   * https://js.foundation/
 527   *
 528   * Date: 2020-03-14
 529   */
 530  ( function( window ) {
 531  var i,
 532      support,
 533      Expr,
 534      getText,
 535      isXML,
 536      tokenize,
 537      compile,
 538      select,
 539      outermostContext,
 540      sortInput,
 541      hasDuplicate,
 542  
 543      // Local document vars
 544      setDocument,
 545      document,
 546      docElem,
 547      documentIsHTML,
 548      rbuggyQSA,
 549      rbuggyMatches,
 550      matches,
 551      contains,
 552  
 553      // Instance-specific data
 554      expando = "sizzle" + 1 * new Date(),
 555      preferredDoc = window.document,
 556      dirruns = 0,
 557      done = 0,
 558      classCache = createCache(),
 559      tokenCache = createCache(),
 560      compilerCache = createCache(),
 561      nonnativeSelectorCache = createCache(),
 562      sortOrder = function( a, b ) {
 563          if ( a === b ) {
 564              hasDuplicate = true;
 565          }
 566          return 0;
 567      },
 568  
 569      // Instance methods
 570      hasOwn = ( {} ).hasOwnProperty,
 571      arr = [],
 572      pop = arr.pop,
 573      pushNative = arr.push,
 574      push = arr.push,
 575      slice = arr.slice,
 576  
 577      // Use a stripped-down indexOf as it's faster than native
 578      // https://jsperf.com/thor-indexof-vs-for/5
 579      indexOf = function( list, elem ) {
 580          var i = 0,
 581              len = list.length;
 582          for ( ; i < len; i++ ) {
 583              if ( list[ i ] === elem ) {
 584                  return i;
 585              }
 586          }
 587          return -1;
 588      },
 589  
 590      booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|" +
 591          "ismap|loop|multiple|open|readonly|required|scoped",
 592  
 593      // Regular expressions
 594  
 595      // http://www.w3.org/TR/css3-selectors/#whitespace
 596      whitespace = "[\\x20\\t\\r\\n\\f]",
 597  
 598      // https://www.w3.org/TR/css-syntax-3/#ident-token-diagram
 599      identifier = "(?:\\\\[\\da-fA-F]{1,6}" + whitespace +
 600          "?|\\\\[^\\r\\n\\f]|[\\w-]|[^\0-\\x7f])+",
 601  
 602      // Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors
 603      attributes = "\\[" + whitespace + "*(" + identifier + ")(?:" + whitespace +
 604  
 605          // Operator (capture 2)
 606          "*([*^$|!~]?=)" + whitespace +
 607  
 608          // "Attribute values must be CSS identifiers [capture 5]
 609          // or strings [capture 3 or capture 4]"
 610          "*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" +
 611          whitespace + "*\\]",
 612  
 613      pseudos = ":(" + identifier + ")(?:\\((" +
 614  
 615          // To reduce the number of selectors needing tokenize in the preFilter, prefer arguments:
 616          // 1. quoted (capture 3; capture 4 or capture 5)
 617          "('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" +
 618  
 619          // 2. simple (capture 6)
 620          "((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" +
 621  
 622          // 3. anything else (capture 2)
 623          ".*" +
 624          ")\\)|)",
 625  
 626      // Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter
 627      rwhitespace = new RegExp( whitespace + "+", "g" ),
 628      rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" +
 629          whitespace + "+$", "g" ),
 630  
 631      rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ),
 632      rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace +
 633          "*" ),
 634      rdescend = new RegExp( whitespace + "|>" ),
 635  
 636      rpseudo = new RegExp( pseudos ),
 637      ridentifier = new RegExp( "^" + identifier + "$" ),
 638  
 639      matchExpr = {
 640          "ID": new RegExp( "^#(" + identifier + ")" ),
 641          "CLASS": new RegExp( "^\\.(" + identifier + ")" ),
 642          "TAG": new RegExp( "^(" + identifier + "|[*])" ),
 643          "ATTR": new RegExp( "^" + attributes ),
 644          "PSEUDO": new RegExp( "^" + pseudos ),
 645          "CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" +
 646              whitespace + "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" +
 647              whitespace + "*(\\d+)|))" + whitespace + "*\\)|)", "i" ),
 648          "bool": new RegExp( "^(?:" + booleans + ")$", "i" ),
 649  
 650          // For use in libraries implementing .is()
 651          // We use this for POS matching in `select`
 652          "needsContext": new RegExp( "^" + whitespace +
 653              "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" + whitespace +
 654              "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" )
 655      },
 656  
 657      rhtml = /HTML$/i,
 658      rinputs = /^(?:input|select|textarea|button)$/i,
 659      rheader = /^h\d$/i,
 660  
 661      rnative = /^[^{]+\{\s*\[native \w/,
 662  
 663      // Easily-parseable/retrievable ID or TAG or CLASS selectors
 664      rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,
 665  
 666      rsibling = /[+~]/,
 667  
 668      // CSS escapes
 669      // http://www.w3.org/TR/CSS21/syndata.html#escaped-characters
 670      runescape = new RegExp( "\\\\[\\da-fA-F]{1,6}" + whitespace + "?|\\\\([^\\r\\n\\f])", "g" ),
 671      funescape = function( escape, nonHex ) {
 672          var high = "0x" + escape.slice( 1 ) - 0x10000;
 673  
 674          return nonHex ?
 675  
 676              // Strip the backslash prefix from a non-hex escape sequence
 677              nonHex :
 678  
 679              // Replace a hexadecimal escape sequence with the encoded Unicode code point
 680              // Support: IE <=11+
 681              // For values outside the Basic Multilingual Plane (BMP), manually construct a
 682              // surrogate pair
 683              high < 0 ?
 684                  String.fromCharCode( high + 0x10000 ) :
 685                  String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 );
 686      },
 687  
 688      // CSS string/identifier serialization
 689      // https://drafts.csswg.org/cssom/#common-serializing-idioms
 690      rcssescape = /([\0-\x1f\x7f]|^-?\d)|^-$|[^\0-\x1f\x7f-\uFFFF\w-]/g,
 691      fcssescape = function( ch, asCodePoint ) {
 692          if ( asCodePoint ) {
 693  
 694              // U+0000 NULL becomes U+FFFD REPLACEMENT CHARACTER
 695              if ( ch === "\0" ) {
 696                  return "\uFFFD";
 697              }
 698  
 699              // Control characters and (dependent upon position) numbers get escaped as code points
 700              return ch.slice( 0, -1 ) + "\\" +
 701                  ch.charCodeAt( ch.length - 1 ).toString( 16 ) + " ";
 702          }
 703  
 704          // Other potentially-special ASCII characters get backslash-escaped
 705          return "\\" + ch;
 706      },
 707  
 708      // Used for iframes
 709      // See setDocument()
 710      // Removing the function wrapper causes a "Permission Denied"
 711      // error in IE
 712      unloadHandler = function() {
 713          setDocument();
 714      },
 715  
 716      inDisabledFieldset = addCombinator(
 717          function( elem ) {
 718              return elem.disabled === true && elem.nodeName.toLowerCase() === "fieldset";
 719          },
 720          { dir: "parentNode", next: "legend" }
 721      );
 722  
 723  // Optimize for push.apply( _, NodeList )
 724  try {
 725      push.apply(
 726          ( arr = slice.call( preferredDoc.childNodes ) ),
 727          preferredDoc.childNodes
 728      );
 729  
 730      // Support: Android<4.0
 731      // Detect silently failing push.apply
 732      // eslint-disable-next-line no-unused-expressions
 733      arr[ preferredDoc.childNodes.length ].nodeType;
 734  } catch ( e ) {
 735      push = { apply: arr.length ?
 736  
 737          // Leverage slice if possible
 738          function( target, els ) {
 739              pushNative.apply( target, slice.call( els ) );
 740          } :
 741  
 742          // Support: IE<9
 743          // Otherwise append directly
 744          function( target, els ) {
 745              var j = target.length,
 746                  i = 0;
 747  
 748              // Can't trust NodeList.length
 749              while ( ( target[ j++ ] = els[ i++ ] ) ) {}
 750              target.length = j - 1;
 751          }
 752      };
 753  }
 754  
 755  function Sizzle( selector, context, results, seed ) {
 756      var m, i, elem, nid, match, groups, newSelector,
 757          newContext = context && context.ownerDocument,
 758  
 759          // nodeType defaults to 9, since context defaults to document
 760          nodeType = context ? context.nodeType : 9;
 761  
 762      results = results || [];
 763  
 764      // Return early from calls with invalid selector or context
 765      if ( typeof selector !== "string" || !selector ||
 766          nodeType !== 1 && nodeType !== 9 && nodeType !== 11 ) {
 767  
 768          return results;
 769      }
 770  
 771      // Try to shortcut find operations (as opposed to filters) in HTML documents
 772      if ( !seed ) {
 773          setDocument( context );
 774          context = context || document;
 775  
 776          if ( documentIsHTML ) {
 777  
 778              // If the selector is sufficiently simple, try using a "get*By*" DOM method
 779              // (excepting DocumentFragment context, where the methods don't exist)
 780              if ( nodeType !== 11 && ( match = rquickExpr.exec( selector ) ) ) {
 781  
 782                  // ID selector
 783                  if ( ( m = match[ 1 ] ) ) {
 784  
 785                      // Document context
 786                      if ( nodeType === 9 ) {
 787                          if ( ( elem = context.getElementById( m ) ) ) {
 788  
 789                              // Support: IE, Opera, Webkit
 790                              // TODO: identify versions
 791                              // getElementById can match elements by name instead of ID
 792                              if ( elem.id === m ) {
 793                                  results.push( elem );
 794                                  return results;
 795                              }
 796                          } else {
 797                              return results;
 798                          }
 799  
 800                      // Element context
 801                      } else {
 802  
 803                          // Support: IE, Opera, Webkit
 804                          // TODO: identify versions
 805                          // getElementById can match elements by name instead of ID
 806                          if ( newContext && ( elem = newContext.getElementById( m ) ) &&
 807                              contains( context, elem ) &&
 808                              elem.id === m ) {
 809  
 810                              results.push( elem );
 811                              return results;
 812                          }
 813                      }
 814  
 815                  // Type selector
 816                  } else if ( match[ 2 ] ) {
 817                      push.apply( results, context.getElementsByTagName( selector ) );
 818                      return results;
 819  
 820                  // Class selector
 821                  } else if ( ( m = match[ 3 ] ) && support.getElementsByClassName &&
 822                      context.getElementsByClassName ) {
 823  
 824                      push.apply( results, context.getElementsByClassName( m ) );
 825                      return results;
 826                  }
 827              }
 828  
 829              // Take advantage of querySelectorAll
 830              if ( support.qsa &&
 831                  !nonnativeSelectorCache[ selector + " " ] &&
 832                  ( !rbuggyQSA || !rbuggyQSA.test( selector ) ) &&
 833  
 834                  // Support: IE 8 only
 835                  // Exclude object elements
 836                  ( nodeType !== 1 || context.nodeName.toLowerCase() !== "object" ) ) {
 837  
 838                  newSelector = selector;
 839                  newContext = context;
 840  
 841                  // qSA considers elements outside a scoping root when evaluating child or
 842                  // descendant combinators, which is not what we want.
 843                  // In such cases, we work around the behavior by prefixing every selector in the
 844                  // list with an ID selector referencing the scope context.
 845                  // The technique has to be used as well when a leading combinator is used
 846                  // as such selectors are not recognized by querySelectorAll.
 847                  // Thanks to Andrew Dupont for this technique.
 848                  if ( nodeType === 1 &&
 849                      ( rdescend.test( selector ) || rcombinators.test( selector ) ) ) {
 850  
 851                      // Expand context for sibling selectors
 852                      newContext = rsibling.test( selector ) && testContext( context.parentNode ) ||
 853                          context;
 854  
 855                      // We can use :scope instead of the ID hack if the browser
 856                      // supports it & if we're not changing the context.
 857                      if ( newContext !== context || !support.scope ) {
 858  
 859                          // Capture the context ID, setting it first if necessary
 860                          if ( ( nid = context.getAttribute( "id" ) ) ) {
 861                              nid = nid.replace( rcssescape, fcssescape );
 862                          } else {
 863                              context.setAttribute( "id", ( nid = expando ) );
 864                          }
 865                      }
 866  
 867                      // Prefix every selector in the list
 868                      groups = tokenize( selector );
 869                      i = groups.length;
 870                      while ( i-- ) {
 871                          groups[ i ] = ( nid ? "#" + nid : ":scope" ) + " " +
 872                              toSelector( groups[ i ] );
 873                      }
 874                      newSelector = groups.join( "," );
 875                  }
 876  
 877                  try {
 878                      push.apply( results,
 879                          newContext.querySelectorAll( newSelector )
 880                      );
 881                      return results;
 882                  } catch ( qsaError ) {
 883                      nonnativeSelectorCache( selector, true );
 884                  } finally {
 885                      if ( nid === expando ) {
 886                          context.removeAttribute( "id" );
 887                      }
 888                  }
 889              }
 890          }
 891      }
 892  
 893      // All others
 894      return select( selector.replace( rtrim, "$1" ), context, results, seed );
 895  }
 896  
 897  /**
 898   * Create key-value caches of limited size
 899   * @returns {function(string, object)} Returns the Object data after storing it on itself with
 900   *    property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength)
 901   *    deleting the oldest entry
 902   */
 903  function createCache() {
 904      var keys = [];
 905  
 906  	function cache( key, value ) {
 907  
 908          // Use (key + " ") to avoid collision with native prototype properties (see Issue #157)
 909          if ( keys.push( key + " " ) > Expr.cacheLength ) {
 910  
 911              // Only keep the most recent entries
 912              delete cache[ keys.shift() ];
 913          }
 914          return ( cache[ key + " " ] = value );
 915      }
 916      return cache;
 917  }
 918  
 919  /**
 920   * Mark a function for special use by Sizzle
 921   * @param {Function} fn The function to mark
 922   */
 923  function markFunction( fn ) {
 924      fn[ expando ] = true;
 925      return fn;
 926  }
 927  
 928  /**
 929   * Support testing using an element
 930   * @param {Function} fn Passed the created element and returns a boolean result
 931   */
 932  function assert( fn ) {
 933      var el = document.createElement( "fieldset" );
 934  
 935      try {
 936          return !!fn( el );
 937      } catch ( e ) {
 938          return false;
 939      } finally {
 940  
 941          // Remove from its parent by default
 942          if ( el.parentNode ) {
 943              el.parentNode.removeChild( el );
 944          }
 945  
 946          // release memory in IE
 947          el = null;
 948      }
 949  }
 950  
 951  /**
 952   * Adds the same handler for all of the specified attrs
 953   * @param {String} attrs Pipe-separated list of attributes
 954   * @param {Function} handler The method that will be applied
 955   */
 956  function addHandle( attrs, handler ) {
 957      var arr = attrs.split( "|" ),
 958          i = arr.length;
 959  
 960      while ( i-- ) {
 961          Expr.attrHandle[ arr[ i ] ] = handler;
 962      }
 963  }
 964  
 965  /**
 966   * Checks document order of two siblings
 967   * @param {Element} a
 968   * @param {Element} b
 969   * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b
 970   */
 971  function siblingCheck( a, b ) {
 972      var cur = b && a,
 973          diff = cur && a.nodeType === 1 && b.nodeType === 1 &&
 974              a.sourceIndex - b.sourceIndex;
 975  
 976      // Use IE sourceIndex if available on both nodes
 977      if ( diff ) {
 978          return diff;
 979      }
 980  
 981      // Check if b follows a
 982      if ( cur ) {
 983          while ( ( cur = cur.nextSibling ) ) {
 984              if ( cur === b ) {
 985                  return -1;
 986              }
 987          }
 988      }
 989  
 990      return a ? 1 : -1;
 991  }
 992  
 993  /**
 994   * Returns a function to use in pseudos for input types
 995   * @param {String} type
 996   */
 997  function createInputPseudo( type ) {
 998      return function( elem ) {
 999          var name = elem.nodeName.toLowerCase();
1000          return name === "input" && elem.type === type;
1001      };
1002  }
1003  
1004  /**
1005   * Returns a function to use in pseudos for buttons
1006   * @param {String} type
1007   */
1008  function createButtonPseudo( type ) {
1009      return function( elem ) {
1010          var name = elem.nodeName.toLowerCase();
1011          return ( name === "input" || name === "button" ) && elem.type === type;
1012      };
1013  }
1014  
1015  /**
1016   * Returns a function to use in pseudos for :enabled/:disabled
1017   * @param {Boolean} disabled true for :disabled; false for :enabled
1018   */
1019  function createDisabledPseudo( disabled ) {
1020  
1021      // Known :disabled false positives: fieldset[disabled] > legend:nth-of-type(n+2) :can-disable
1022      return function( elem ) {
1023  
1024          // Only certain elements can match :enabled or :disabled
1025          // https://html.spec.whatwg.org/multipage/scripting.html#selector-enabled
1026          // https://html.spec.whatwg.org/multipage/scripting.html#selector-disabled
1027          if ( "form" in elem ) {
1028  
1029              // Check for inherited disabledness on relevant non-disabled elements:
1030              // * listed form-associated elements in a disabled fieldset
1031              //   https://html.spec.whatwg.org/multipage/forms.html#category-listed
1032              //   https://html.spec.whatwg.org/multipage/forms.html#concept-fe-disabled
1033              // * option elements in a disabled optgroup
1034              //   https://html.spec.whatwg.org/multipage/forms.html#concept-option-disabled
1035              // All such elements have a "form" property.
1036              if ( elem.parentNode && elem.disabled === false ) {
1037  
1038                  // Option elements defer to a parent optgroup if present
1039                  if ( "label" in elem ) {
1040                      if ( "label" in elem.parentNode ) {
1041                          return elem.parentNode.disabled === disabled;
1042                      } else {
1043                          return elem.disabled === disabled;
1044                      }
1045                  }
1046  
1047                  // Support: IE 6 - 11
1048                  // Use the isDisabled shortcut property to check for disabled fieldset ancestors
1049                  return elem.isDisabled === disabled ||
1050  
1051                      // Where there is no isDisabled, check manually
1052                      /* jshint -W018 */
1053                      elem.isDisabled !== !disabled &&
1054                      inDisabledFieldset( elem ) === disabled;
1055              }
1056  
1057              return elem.disabled === disabled;
1058  
1059          // Try to winnow out elements that can't be disabled before trusting the disabled property.
1060          // Some victims get caught in our net (label, legend, menu, track), but it shouldn't
1061          // even exist on them, let alone have a boolean value.
1062          } else if ( "label" in elem ) {
1063              return elem.disabled === disabled;
1064          }
1065  
1066          // Remaining elements are neither :enabled nor :disabled
1067          return false;
1068      };
1069  }
1070  
1071  /**
1072   * Returns a function to use in pseudos for positionals
1073   * @param {Function} fn
1074   */
1075  function createPositionalPseudo( fn ) {
1076      return markFunction( function( argument ) {
1077          argument = +argument;
1078          return markFunction( function( seed, matches ) {
1079              var j,
1080                  matchIndexes = fn( [], seed.length, argument ),
1081                  i = matchIndexes.length;
1082  
1083              // Match elements found at the specified indexes
1084              while ( i-- ) {
1085                  if ( seed[ ( j = matchIndexes[ i ] ) ] ) {
1086                      seed[ j ] = !( matches[ j ] = seed[ j ] );
1087                  }
1088              }
1089          } );
1090      } );
1091  }
1092  
1093  /**
1094   * Checks a node for validity as a Sizzle context
1095   * @param {Element|Object=} context
1096   * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value
1097   */
1098  function testContext( context ) {
1099      return context && typeof context.getElementsByTagName !== "undefined" && context;
1100  }
1101  
1102  // Expose support vars for convenience
1103  support = Sizzle.support = {};
1104  
1105  /**
1106   * Detects XML nodes
1107   * @param {Element|Object} elem An element or a document
1108   * @returns {Boolean} True iff elem is a non-HTML XML node
1109   */
1110  isXML = Sizzle.isXML = function( elem ) {
1111      var namespace = elem.namespaceURI,
1112          docElem = ( elem.ownerDocument || elem ).documentElement;
1113  
1114      // Support: IE <=8
1115      // Assume HTML when documentElement doesn't yet exist, such as inside loading iframes
1116      // https://bugs.jquery.com/ticket/4833
1117      return !rhtml.test( namespace || docElem && docElem.nodeName || "HTML" );
1118  };
1119  
1120  /**
1121   * Sets document-related variables once based on the current document
1122   * @param {Element|Object} [doc] An element or document object to use to set the document
1123   * @returns {Object} Returns the current document
1124   */
1125  setDocument = Sizzle.setDocument = function( node ) {
1126      var hasCompare, subWindow,
1127          doc = node ? node.ownerDocument || node : preferredDoc;
1128  
1129      // Return early if doc is invalid or already selected
1130      // Support: IE 11+, Edge 17 - 18+
1131      // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
1132      // two documents; shallow comparisons work.
1133      // eslint-disable-next-line eqeqeq
1134      if ( doc == document || doc.nodeType !== 9 || !doc.documentElement ) {
1135          return document;
1136      }
1137  
1138      // Update global variables
1139      document = doc;
1140      docElem = document.documentElement;
1141      documentIsHTML = !isXML( document );
1142  
1143      // Support: IE 9 - 11+, Edge 12 - 18+
1144      // Accessing iframe documents after unload throws "permission denied" errors (jQuery #13936)
1145      // Support: IE 11+, Edge 17 - 18+
1146      // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
1147      // two documents; shallow comparisons work.
1148      // eslint-disable-next-line eqeqeq
1149      if ( preferredDoc != document &&
1150          ( subWindow = document.defaultView ) && subWindow.top !== subWindow ) {
1151  
1152          // Support: IE 11, Edge
1153          if ( subWindow.addEventListener ) {
1154              subWindow.addEventListener( "unload", unloadHandler, false );
1155  
1156          // Support: IE 9 - 10 only
1157          } else if ( subWindow.attachEvent ) {
1158              subWindow.attachEvent( "onunload", unloadHandler );
1159          }
1160      }
1161  
1162      // Support: IE 8 - 11+, Edge 12 - 18+, Chrome <=16 - 25 only, Firefox <=3.6 - 31 only,
1163      // Safari 4 - 5 only, Opera <=11.6 - 12.x only
1164      // IE/Edge & older browsers don't support the :scope pseudo-class.
1165      // Support: Safari 6.0 only
1166      // Safari 6.0 supports :scope but it's an alias of :root there.
1167      support.scope = assert( function( el ) {
1168          docElem.appendChild( el ).appendChild( document.createElement( "div" ) );
1169          return typeof el.querySelectorAll !== "undefined" &&
1170              !el.querySelectorAll( ":scope fieldset div" ).length;
1171      } );
1172  
1173      /* Attributes
1174      ---------------------------------------------------------------------- */
1175  
1176      // Support: IE<8
1177      // Verify that getAttribute really returns attributes and not properties
1178      // (excepting IE8 booleans)
1179      support.attributes = assert( function( el ) {
1180          el.className = "i";
1181          return !el.getAttribute( "className" );
1182      } );
1183  
1184      /* getElement(s)By*
1185      ---------------------------------------------------------------------- */
1186  
1187      // Check if getElementsByTagName("*") returns only elements
1188      support.getElementsByTagName = assert( function( el ) {
1189          el.appendChild( document.createComment( "" ) );
1190          return !el.getElementsByTagName( "*" ).length;
1191      } );
1192  
1193      // Support: IE<9
1194      support.getElementsByClassName = rnative.test( document.getElementsByClassName );
1195  
1196      // Support: IE<10
1197      // Check if getElementById returns elements by name
1198      // The broken getElementById methods don't pick up programmatically-set names,
1199      // so use a roundabout getElementsByName test
1200      support.getById = assert( function( el ) {
1201          docElem.appendChild( el ).id = expando;
1202          return !document.getElementsByName || !document.getElementsByName( expando ).length;
1203      } );
1204  
1205      // ID filter and find
1206      if ( support.getById ) {
1207          Expr.filter[ "ID" ] = function( id ) {
1208              var attrId = id.replace( runescape, funescape );
1209              return function( elem ) {
1210                  return elem.getAttribute( "id" ) === attrId;
1211              };
1212          };
1213          Expr.find[ "ID" ] = function( id, context ) {
1214              if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
1215                  var elem = context.getElementById( id );
1216                  return elem ? [ elem ] : [];
1217              }
1218          };
1219      } else {
1220          Expr.filter[ "ID" ] =  function( id ) {
1221              var attrId = id.replace( runescape, funescape );
1222              return function( elem ) {
1223                  var node = typeof elem.getAttributeNode !== "undefined" &&
1224                      elem.getAttributeNode( "id" );
1225                  return node && node.value === attrId;
1226              };
1227          };
1228  
1229          // Support: IE 6 - 7 only
1230          // getElementById is not reliable as a find shortcut
1231          Expr.find[ "ID" ] = function( id, context ) {
1232              if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
1233                  var node, i, elems,
1234                      elem = context.getElementById( id );
1235  
1236                  if ( elem ) {
1237  
1238                      // Verify the id attribute
1239                      node = elem.getAttributeNode( "id" );
1240                      if ( node && node.value === id ) {
1241                          return [ elem ];
1242                      }
1243  
1244                      // Fall back on getElementsByName
1245                      elems = context.getElementsByName( id );
1246                      i = 0;
1247                      while ( ( elem = elems[ i++ ] ) ) {
1248                          node = elem.getAttributeNode( "id" );
1249                          if ( node && node.value === id ) {
1250                              return [ elem ];
1251                          }
1252                      }
1253                  }
1254  
1255                  return [];
1256              }
1257          };
1258      }
1259  
1260      // Tag
1261      Expr.find[ "TAG" ] = support.getElementsByTagName ?
1262          function( tag, context ) {
1263              if ( typeof context.getElementsByTagName !== "undefined" ) {
1264                  return context.getElementsByTagName( tag );
1265  
1266              // DocumentFragment nodes don't have gEBTN
1267              } else if ( support.qsa ) {
1268                  return context.querySelectorAll( tag );
1269              }
1270          } :
1271  
1272          function( tag, context ) {
1273              var elem,
1274                  tmp = [],
1275                  i = 0,
1276  
1277                  // By happy coincidence, a (broken) gEBTN appears on DocumentFragment nodes too
1278                  results = context.getElementsByTagName( tag );
1279  
1280              // Filter out possible comments
1281              if ( tag === "*" ) {
1282                  while ( ( elem = results[ i++ ] ) ) {
1283                      if ( elem.nodeType === 1 ) {
1284                          tmp.push( elem );
1285                      }
1286                  }
1287  
1288                  return tmp;
1289              }
1290              return results;
1291          };
1292  
1293      // Class
1294      Expr.find[ "CLASS" ] = support.getElementsByClassName && function( className, context ) {
1295          if ( typeof context.getElementsByClassName !== "undefined" && documentIsHTML ) {
1296              return context.getElementsByClassName( className );
1297          }
1298      };
1299  
1300      /* QSA/matchesSelector
1301      ---------------------------------------------------------------------- */
1302  
1303      // QSA and matchesSelector support
1304  
1305      // matchesSelector(:active) reports false when true (IE9/Opera 11.5)
1306      rbuggyMatches = [];
1307  
1308      // qSa(:focus) reports false when true (Chrome 21)
1309      // We allow this because of a bug in IE8/9 that throws an error
1310      // whenever `document.activeElement` is accessed on an iframe
1311      // So, we allow :focus to pass through QSA all the time to avoid the IE error
1312      // See https://bugs.jquery.com/ticket/13378
1313      rbuggyQSA = [];
1314  
1315      if ( ( support.qsa = rnative.test( document.querySelectorAll ) ) ) {
1316  
1317          // Build QSA regex
1318          // Regex strategy adopted from Diego Perini
1319          assert( function( el ) {
1320  
1321              var input;
1322  
1323              // Select is set to empty string on purpose
1324              // This is to test IE's treatment of not explicitly
1325              // setting a boolean content attribute,
1326              // since its presence should be enough
1327              // https://bugs.jquery.com/ticket/12359
1328              docElem.appendChild( el ).innerHTML = "<a id='" + expando + "'></a>" +
1329                  "<select id='" + expando + "-\r\\' msallowcapture=''>" +
1330                  "<option selected=''></option></select>";
1331  
1332              // Support: IE8, Opera 11-12.16
1333              // Nothing should be selected when empty strings follow ^= or $= or *=
1334              // The test attribute must be unknown in Opera but "safe" for WinRT
1335              // https://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section
1336              if ( el.querySelectorAll( "[msallowcapture^='']" ).length ) {
1337                  rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" );
1338              }
1339  
1340              // Support: IE8
1341              // Boolean attributes and "value" are not treated correctly
1342              if ( !el.querySelectorAll( "[selected]" ).length ) {
1343                  rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" );
1344              }
1345  
1346              // Support: Chrome<29, Android<4.4, Safari<7.0+, iOS<7.0+, PhantomJS<1.9.8+
1347              if ( !el.querySelectorAll( "[id~=" + expando + "-]" ).length ) {
1348                  rbuggyQSA.push( "~=" );
1349              }
1350  
1351              // Support: IE 11+, Edge 15 - 18+
1352              // IE 11/Edge don't find elements on a `[name='']` query in some cases.
1353              // Adding a temporary attribute to the document before the selection works
1354              // around the issue.
1355              // Interestingly, IE 10 & older don't seem to have the issue.
1356              input = document.createElement( "input" );
1357              input.setAttribute( "name", "" );
1358              el.appendChild( input );
1359              if ( !el.querySelectorAll( "[name='']" ).length ) {
1360                  rbuggyQSA.push( "\\[" + whitespace + "*name" + whitespace + "*=" +
1361                      whitespace + "*(?:''|\"\")" );
1362              }
1363  
1364              // Webkit/Opera - :checked should return selected option elements
1365              // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
1366              // IE8 throws error here and will not see later tests
1367              if ( !el.querySelectorAll( ":checked" ).length ) {
1368                  rbuggyQSA.push( ":checked" );
1369              }
1370  
1371              // Support: Safari 8+, iOS 8+
1372              // https://bugs.webkit.org/show_bug.cgi?id=136851
1373              // In-page `selector#id sibling-combinator selector` fails
1374              if ( !el.querySelectorAll( "a#" + expando + "+*" ).length ) {
1375                  rbuggyQSA.push( ".#.+[+~]" );
1376              }
1377  
1378              // Support: Firefox <=3.6 - 5 only
1379              // Old Firefox doesn't throw on a badly-escaped identifier.
1380              el.querySelectorAll( "\\\f" );
1381              rbuggyQSA.push( "[\\r\\n\\f]" );
1382          } );
1383  
1384          assert( function( el ) {
1385              el.innerHTML = "<a href='' disabled='disabled'></a>" +
1386                  "<select disabled='disabled'><option/></select>";
1387  
1388              // Support: Windows 8 Native Apps
1389              // The type and name attributes are restricted during .innerHTML assignment
1390              var input = document.createElement( "input" );
1391              input.setAttribute( "type", "hidden" );
1392              el.appendChild( input ).setAttribute( "name", "D" );
1393  
1394              // Support: IE8
1395              // Enforce case-sensitivity of name attribute
1396              if ( el.querySelectorAll( "[name=d]" ).length ) {
1397                  rbuggyQSA.push( "name" + whitespace + "*[*^$|!~]?=" );
1398              }
1399  
1400              // FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled)
1401              // IE8 throws error here and will not see later tests
1402              if ( el.querySelectorAll( ":enabled" ).length !== 2 ) {
1403                  rbuggyQSA.push( ":enabled", ":disabled" );
1404              }
1405  
1406              // Support: IE9-11+
1407              // IE's :disabled selector does not pick up the children of disabled fieldsets
1408              docElem.appendChild( el ).disabled = true;
1409              if ( el.querySelectorAll( ":disabled" ).length !== 2 ) {
1410                  rbuggyQSA.push( ":enabled", ":disabled" );
1411              }
1412  
1413              // Support: Opera 10 - 11 only
1414              // Opera 10-11 does not throw on post-comma invalid pseudos
1415              el.querySelectorAll( "*,:x" );
1416              rbuggyQSA.push( ",.*:" );
1417          } );
1418      }
1419  
1420      if ( ( support.matchesSelector = rnative.test( ( matches = docElem.matches ||
1421          docElem.webkitMatchesSelector ||
1422          docElem.mozMatchesSelector ||
1423          docElem.oMatchesSelector ||
1424          docElem.msMatchesSelector ) ) ) ) {
1425  
1426          assert( function( el ) {
1427  
1428              // Check to see if it's possible to do matchesSelector
1429              // on a disconnected node (IE 9)
1430              support.disconnectedMatch = matches.call( el, "*" );
1431  
1432              // This should fail with an exception
1433              // Gecko does not error, returns false instead
1434              matches.call( el, "[s!='']:x" );
1435              rbuggyMatches.push( "!=", pseudos );
1436          } );
1437      }
1438  
1439      rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join( "|" ) );
1440      rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join( "|" ) );
1441  
1442      /* Contains
1443      ---------------------------------------------------------------------- */
1444      hasCompare = rnative.test( docElem.compareDocumentPosition );
1445  
1446      // Element contains another
1447      // Purposefully self-exclusive
1448      // As in, an element does not contain itself
1449      contains = hasCompare || rnative.test( docElem.contains ) ?
1450          function( a, b ) {
1451              var adown = a.nodeType === 9 ? a.documentElement : a,
1452                  bup = b && b.parentNode;
1453              return a === bup || !!( bup && bup.nodeType === 1 && (
1454                  adown.contains ?
1455                      adown.contains( bup ) :
1456                      a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16
1457              ) );
1458          } :
1459          function( a, b ) {
1460              if ( b ) {
1461                  while ( ( b = b.parentNode ) ) {
1462                      if ( b === a ) {
1463                          return true;
1464                      }
1465                  }
1466              }
1467              return false;
1468          };
1469  
1470      /* Sorting
1471      ---------------------------------------------------------------------- */
1472  
1473      // Document order sorting
1474      sortOrder = hasCompare ?
1475      function( a, b ) {
1476  
1477          // Flag for duplicate removal
1478          if ( a === b ) {
1479              hasDuplicate = true;
1480              return 0;
1481          }
1482  
1483          // Sort on method existence if only one input has compareDocumentPosition
1484          var compare = !a.compareDocumentPosition - !b.compareDocumentPosition;
1485          if ( compare ) {
1486              return compare;
1487          }
1488  
1489          // Calculate position if both inputs belong to the same document
1490          // Support: IE 11+, Edge 17 - 18+
1491          // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
1492          // two documents; shallow comparisons work.
1493          // eslint-disable-next-line eqeqeq
1494          compare = ( a.ownerDocument || a ) == ( b.ownerDocument || b ) ?
1495              a.compareDocumentPosition( b ) :
1496  
1497              // Otherwise we know they are disconnected
1498              1;
1499  
1500          // Disconnected nodes
1501          if ( compare & 1 ||
1502              ( !support.sortDetached && b.compareDocumentPosition( a ) === compare ) ) {
1503  
1504              // Choose the first element that is related to our preferred document
1505              // Support: IE 11+, Edge 17 - 18+
1506              // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
1507              // two documents; shallow comparisons work.
1508              // eslint-disable-next-line eqeqeq
1509              if ( a == document || a.ownerDocument == preferredDoc &&
1510                  contains( preferredDoc, a ) ) {
1511                  return -1;
1512              }
1513  
1514              // Support: IE 11+, Edge 17 - 18+
1515              // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
1516              // two documents; shallow comparisons work.
1517              // eslint-disable-next-line eqeqeq
1518              if ( b == document || b.ownerDocument == preferredDoc &&
1519                  contains( preferredDoc, b ) ) {
1520                  return 1;
1521              }
1522  
1523              // Maintain original order
1524              return sortInput ?
1525                  ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :
1526                  0;
1527          }
1528  
1529          return compare & 4 ? -1 : 1;
1530      } :
1531      function( a, b ) {
1532  
1533          // Exit early if the nodes are identical
1534          if ( a === b ) {
1535              hasDuplicate = true;
1536              return 0;
1537          }
1538  
1539          var cur,
1540              i = 0,
1541              aup = a.parentNode,
1542              bup = b.parentNode,
1543              ap = [ a ],
1544              bp = [ b ];
1545  
1546          // Parentless nodes are either documents or disconnected
1547          if ( !aup || !bup ) {
1548  
1549              // Support: IE 11+, Edge 17 - 18+
1550              // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
1551              // two documents; shallow comparisons work.
1552              /* eslint-disable eqeqeq */
1553              return a == document ? -1 :
1554                  b == document ? 1 :
1555                  /* eslint-enable eqeqeq */
1556                  aup ? -1 :
1557                  bup ? 1 :
1558                  sortInput ?
1559                  ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :
1560                  0;
1561  
1562          // If the nodes are siblings, we can do a quick check
1563          } else if ( aup === bup ) {
1564              return siblingCheck( a, b );
1565          }
1566  
1567          // Otherwise we need full lists of their ancestors for comparison
1568          cur = a;
1569          while ( ( cur = cur.parentNode ) ) {
1570              ap.unshift( cur );
1571          }
1572          cur = b;
1573          while ( ( cur = cur.parentNode ) ) {
1574              bp.unshift( cur );
1575          }
1576  
1577          // Walk down the tree looking for a discrepancy
1578          while ( ap[ i ] === bp[ i ] ) {
1579              i++;
1580          }
1581  
1582          return i ?
1583  
1584              // Do a sibling check if the nodes have a common ancestor
1585              siblingCheck( ap[ i ], bp[ i ] ) :
1586  
1587              // Otherwise nodes in our document sort first
1588              // Support: IE 11+, Edge 17 - 18+
1589              // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
1590              // two documents; shallow comparisons work.
1591              /* eslint-disable eqeqeq */
1592              ap[ i ] == preferredDoc ? -1 :
1593              bp[ i ] == preferredDoc ? 1 :
1594              /* eslint-enable eqeqeq */
1595              0;
1596      };
1597  
1598      return document;
1599  };
1600  
1601  Sizzle.matches = function( expr, elements ) {
1602      return Sizzle( expr, null, null, elements );
1603  };
1604  
1605  Sizzle.matchesSelector = function( elem, expr ) {
1606      setDocument( elem );
1607  
1608      if ( support.matchesSelector && documentIsHTML &&
1609          !nonnativeSelectorCache[ expr + " " ] &&
1610          ( !rbuggyMatches || !rbuggyMatches.test( expr ) ) &&
1611          ( !rbuggyQSA     || !rbuggyQSA.test( expr ) ) ) {
1612  
1613          try {
1614              var ret = matches.call( elem, expr );
1615  
1616              // IE 9's matchesSelector returns false on disconnected nodes
1617              if ( ret || support.disconnectedMatch ||
1618  
1619                  // As well, disconnected nodes are said to be in a document
1620                  // fragment in IE 9
1621                  elem.document && elem.document.nodeType !== 11 ) {
1622                  return ret;
1623              }
1624          } catch ( e ) {
1625              nonnativeSelectorCache( expr, true );
1626          }
1627      }
1628  
1629      return Sizzle( expr, document, null, [ elem ] ).length > 0;
1630  };
1631  
1632  Sizzle.contains = function( context, elem ) {
1633  
1634      // Set document vars if needed
1635      // Support: IE 11+, Edge 17 - 18+
1636      // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
1637      // two documents; shallow comparisons work.
1638      // eslint-disable-next-line eqeqeq
1639      if ( ( context.ownerDocument || context ) != document ) {
1640          setDocument( context );
1641      }
1642      return contains( context, elem );
1643  };
1644  
1645  Sizzle.attr = function( elem, name ) {
1646  
1647      // Set document vars if needed
1648      // Support: IE 11+, Edge 17 - 18+
1649      // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
1650      // two documents; shallow comparisons work.
1651      // eslint-disable-next-line eqeqeq
1652      if ( ( elem.ownerDocument || elem ) != document ) {
1653          setDocument( elem );
1654      }
1655  
1656      var fn = Expr.attrHandle[ name.toLowerCase() ],
1657  
1658          // Don't get fooled by Object.prototype properties (jQuery #13807)
1659          val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ?
1660              fn( elem, name, !documentIsHTML ) :
1661              undefined;
1662  
1663      return val !== undefined ?
1664          val :
1665          support.attributes || !documentIsHTML ?
1666              elem.getAttribute( name ) :
1667              ( val = elem.getAttributeNode( name ) ) && val.specified ?
1668                  val.value :
1669                  null;
1670  };
1671  
1672  Sizzle.escape = function( sel ) {
1673      return ( sel + "" ).replace( rcssescape, fcssescape );
1674  };
1675  
1676  Sizzle.error = function( msg ) {
1677      throw new Error( "Syntax error, unrecognized expression: " + msg );
1678  };
1679  
1680  /**
1681   * Document sorting and removing duplicates
1682   * @param {ArrayLike} results
1683   */
1684  Sizzle.uniqueSort = function( results ) {
1685      var elem,
1686          duplicates = [],
1687          j = 0,
1688          i = 0;
1689  
1690      // Unless we *know* we can detect duplicates, assume their presence
1691      hasDuplicate = !support.detectDuplicates;
1692      sortInput = !support.sortStable && results.slice( 0 );
1693      results.sort( sortOrder );
1694  
1695      if ( hasDuplicate ) {
1696          while ( ( elem = results[ i++ ] ) ) {
1697              if ( elem === results[ i ] ) {
1698                  j = duplicates.push( i );
1699              }
1700          }
1701          while ( j-- ) {
1702              results.splice( duplicates[ j ], 1 );
1703          }
1704      }
1705  
1706      // Clear input after sorting to release objects
1707      // See https://github.com/jquery/sizzle/pull/225
1708      sortInput = null;
1709  
1710      return results;
1711  };
1712  
1713  /**
1714   * Utility function for retrieving the text value of an array of DOM nodes
1715   * @param {Array|Element} elem
1716   */
1717  getText = Sizzle.getText = function( elem ) {
1718      var node,
1719          ret = "",
1720          i = 0,
1721          nodeType = elem.nodeType;
1722  
1723      if ( !nodeType ) {
1724  
1725          // If no nodeType, this is expected to be an array
1726          while ( ( node = elem[ i++ ] ) ) {
1727  
1728              // Do not traverse comment nodes
1729              ret += getText( node );
1730          }
1731      } else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) {
1732  
1733          // Use textContent for elements
1734          // innerText usage removed for consistency of new lines (jQuery #11153)
1735          if ( typeof elem.textContent === "string" ) {
1736              return elem.textContent;
1737          } else {
1738  
1739              // Traverse its children
1740              for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
1741                  ret += getText( elem );
1742              }
1743          }
1744      } else if ( nodeType === 3 || nodeType === 4 ) {
1745          return elem.nodeValue;
1746      }
1747  
1748      // Do not include comment or processing instruction nodes
1749  
1750      return ret;
1751  };
1752  
1753  Expr = Sizzle.selectors = {
1754  
1755      // Can be adjusted by the user
1756      cacheLength: 50,
1757  
1758      createPseudo: markFunction,
1759  
1760      match: matchExpr,
1761  
1762      attrHandle: {},
1763  
1764      find: {},
1765  
1766      relative: {
1767          ">": { dir: "parentNode", first: true },
1768          " ": { dir: "parentNode" },
1769          "+": { dir: "previousSibling", first: true },
1770          "~": { dir: "previousSibling" }
1771      },
1772  
1773      preFilter: {
1774          "ATTR": function( match ) {
1775              match[ 1 ] = match[ 1 ].replace( runescape, funescape );
1776  
1777              // Move the given value to match[3] whether quoted or unquoted
1778              match[ 3 ] = ( match[ 3 ] || match[ 4 ] ||
1779                  match[ 5 ] || "" ).replace( runescape, funescape );
1780  
1781              if ( match[ 2 ] === "~=" ) {
1782                  match[ 3 ] = " " + match[ 3 ] + " ";
1783              }
1784  
1785              return match.slice( 0, 4 );
1786          },
1787  
1788          "CHILD": function( match ) {
1789  
1790              /* matches from matchExpr["CHILD"]
1791                  1 type (only|nth|...)
1792                  2 what (child|of-type)
1793                  3 argument (even|odd|\d*|\d*n([+-]\d+)?|...)
1794                  4 xn-component of xn+y argument ([+-]?\d*n|)
1795                  5 sign of xn-component
1796                  6 x of xn-component
1797                  7 sign of y-component
1798                  8 y of y-component
1799              */
1800              match[ 1 ] = match[ 1 ].toLowerCase();
1801  
1802              if ( match[ 1 ].slice( 0, 3 ) === "nth" ) {
1803  
1804                  // nth-* requires argument
1805                  if ( !match[ 3 ] ) {
1806                      Sizzle.error( match[ 0 ] );
1807                  }
1808  
1809                  // numeric x and y parameters for Expr.filter.CHILD
1810                  // remember that false/true cast respectively to 0/1
1811                  match[ 4 ] = +( match[ 4 ] ?
1812                      match[ 5 ] + ( match[ 6 ] || 1 ) :
1813                      2 * ( match[ 3 ] === "even" || match[ 3 ] === "odd" ) );
1814                  match[ 5 ] = +( ( match[ 7 ] + match[ 8 ] ) || match[ 3 ] === "odd" );
1815  
1816                  // other types prohibit arguments
1817              } else if ( match[ 3 ] ) {
1818                  Sizzle.error( match[ 0 ] );
1819              }
1820  
1821              return match;
1822          },
1823  
1824          "PSEUDO": function( match ) {
1825              var excess,
1826                  unquoted = !match[ 6 ] && match[ 2 ];
1827  
1828              if ( matchExpr[ "CHILD" ].test( match[ 0 ] ) ) {
1829                  return null;
1830              }
1831  
1832              // Accept quoted arguments as-is
1833              if ( match[ 3 ] ) {
1834                  match[ 2 ] = match[ 4 ] || match[ 5 ] || "";
1835  
1836              // Strip excess characters from unquoted arguments
1837              } else if ( unquoted && rpseudo.test( unquoted ) &&
1838  
1839                  // Get excess from tokenize (recursively)
1840                  ( excess = tokenize( unquoted, true ) ) &&
1841  
1842                  // advance to the next closing parenthesis
1843                  ( excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length ) ) {
1844  
1845                  // excess is a negative index
1846                  match[ 0 ] = match[ 0 ].slice( 0, excess );
1847                  match[ 2 ] = unquoted.slice( 0, excess );
1848              }
1849  
1850              // Return only captures needed by the pseudo filter method (type and argument)
1851              return match.slice( 0, 3 );
1852          }
1853      },
1854  
1855      filter: {
1856  
1857          "TAG": function( nodeNameSelector ) {
1858              var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase();
1859              return nodeNameSelector === "*" ?
1860                  function() {
1861                      return true;
1862                  } :
1863                  function( elem ) {
1864                      return elem.nodeName && elem.nodeName.toLowerCase() === nodeName;
1865                  };
1866          },
1867  
1868          "CLASS": function( className ) {
1869              var pattern = classCache[ className + " " ];
1870  
1871              return pattern ||
1872                  ( pattern = new RegExp( "(^|" + whitespace +
1873                      ")" + className + "(" + whitespace + "|$)" ) ) && classCache(
1874                          className, function( elem ) {
1875                              return pattern.test(
1876                                  typeof elem.className === "string" && elem.className ||
1877                                  typeof elem.getAttribute !== "undefined" &&
1878                                      elem.getAttribute( "class" ) ||
1879                                  ""
1880                              );
1881                  } );
1882          },
1883  
1884          "ATTR": function( name, operator, check ) {
1885              return function( elem ) {
1886                  var result = Sizzle.attr( elem, name );
1887  
1888                  if ( result == null ) {
1889                      return operator === "!=";
1890                  }
1891                  if ( !operator ) {
1892                      return true;
1893                  }
1894  
1895                  result += "";
1896  
1897                  /* eslint-disable max-len */
1898  
1899                  return operator === "=" ? result === check :
1900                      operator === "!=" ? result !== check :
1901                      operator === "^=" ? check && result.indexOf( check ) === 0 :
1902                      operator === "*=" ? check && result.indexOf( check ) > -1 :
1903                      operator === "$=" ? check && result.slice( -check.length ) === check :
1904                      operator === "~=" ? ( " " + result.replace( rwhitespace, " " ) + " " ).indexOf( check ) > -1 :
1905                      operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" :
1906                      false;
1907                  /* eslint-enable max-len */
1908  
1909              };
1910          },
1911  
1912          "CHILD": function( type, what, _argument, first, last ) {
1913              var simple = type.slice( 0, 3 ) !== "nth",
1914                  forward = type.slice( -4 ) !== "last",
1915                  ofType = what === "of-type";
1916  
1917              return first === 1 && last === 0 ?
1918  
1919                  // Shortcut for :nth-*(n)
1920                  function( elem ) {
1921                      return !!elem.parentNode;
1922                  } :
1923  
1924                  function( elem, _context, xml ) {
1925                      var cache, uniqueCache, outerCache, node, nodeIndex, start,
1926                          dir = simple !== forward ? "nextSibling" : "previousSibling",
1927                          parent = elem.parentNode,
1928                          name = ofType && elem.nodeName.toLowerCase(),
1929                          useCache = !xml && !ofType,
1930                          diff = false;
1931  
1932                      if ( parent ) {
1933  
1934                          // :(first|last|only)-(child|of-type)
1935                          if ( simple ) {
1936                              while ( dir ) {
1937                                  node = elem;
1938                                  while ( ( node = node[ dir ] ) ) {
1939                                      if ( ofType ?
1940                                          node.nodeName.toLowerCase() === name :
1941                                          node.nodeType === 1 ) {
1942  
1943                                          return false;
1944                                      }
1945                                  }
1946  
1947                                  // Reverse direction for :only-* (if we haven't yet done so)
1948                                  start = dir = type === "only" && !start && "nextSibling";
1949                              }
1950                              return true;
1951                          }
1952  
1953                          start = [ forward ? parent.firstChild : parent.lastChild ];
1954  
1955                          // non-xml :nth-child(...) stores cache data on `parent`
1956                          if ( forward && useCache ) {
1957  
1958                              // Seek `elem` from a previously-cached index
1959  
1960                              // ...in a gzip-friendly way
1961                              node = parent;
1962                              outerCache = node[ expando ] || ( node[ expando ] = {} );
1963  
1964                              // Support: IE <9 only
1965                              // Defend against cloned attroperties (jQuery gh-1709)
1966                              uniqueCache = outerCache[ node.uniqueID ] ||
1967                                  ( outerCache[ node.uniqueID ] = {} );
1968  
1969                              cache = uniqueCache[ type ] || [];
1970                              nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];
1971                              diff = nodeIndex && cache[ 2 ];
1972                              node = nodeIndex && parent.childNodes[ nodeIndex ];
1973  
1974                              while ( ( node = ++nodeIndex && node && node[ dir ] ||
1975  
1976                                  // Fallback to seeking `elem` from the start
1977                                  ( diff = nodeIndex = 0 ) || start.pop() ) ) {
1978  
1979                                  // When found, cache indexes on `parent` and break
1980                                  if ( node.nodeType === 1 && ++diff && node === elem ) {
1981                                      uniqueCache[ type ] = [ dirruns, nodeIndex, diff ];
1982                                      break;
1983                                  }
1984                              }
1985  
1986                          } else {
1987  
1988                              // Use previously-cached element index if available
1989                              if ( useCache ) {
1990  
1991                                  // ...in a gzip-friendly way
1992                                  node = elem;
1993                                  outerCache = node[ expando ] || ( node[ expando ] = {} );
1994  
1995                                  // Support: IE <9 only
1996                                  // Defend against cloned attroperties (jQuery gh-1709)
1997                                  uniqueCache = outerCache[ node.uniqueID ] ||
1998                                      ( outerCache[ node.uniqueID ] = {} );
1999  
2000                                  cache = uniqueCache[ type ] || [];
2001                                  nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];
2002                                  diff = nodeIndex;
2003                              }
2004  
2005                              // xml :nth-child(...)
2006                              // or :nth-last-child(...) or :nth(-last)?-of-type(...)
2007                              if ( diff === false ) {
2008  
2009                                  // Use the same loop as above to seek `elem` from the start
2010                                  while ( ( node = ++nodeIndex && node && node[ dir ] ||
2011                                      ( diff = nodeIndex = 0 ) || start.pop() ) ) {
2012  
2013                                      if ( ( ofType ?
2014                                          node.nodeName.toLowerCase() === name :
2015                                          node.nodeType === 1 ) &&
2016                                          ++diff ) {
2017  
2018                                          // Cache the index of each encountered element
2019                                          if ( useCache ) {
2020                                              outerCache = node[ expando ] ||
2021                                                  ( node[ expando ] = {} );
2022  
2023                                              // Support: IE <9 only
2024                                              // Defend against cloned attroperties (jQuery gh-1709)
2025                                              uniqueCache = outerCache[ node.uniqueID ] ||
2026                                                  ( outerCache[ node.uniqueID ] = {} );
2027  
2028                                              uniqueCache[ type ] = [ dirruns, diff ];
2029                                          }
2030  
2031                                          if ( node === elem ) {
2032                                              break;
2033                                          }
2034                                      }
2035                                  }
2036                              }
2037                          }
2038  
2039                          // Incorporate the offset, then check against cycle size
2040                          diff -= last;
2041                          return diff === first || ( diff % first === 0 && diff / first >= 0 );
2042                      }
2043                  };
2044          },
2045  
2046          "PSEUDO": function( pseudo, argument ) {
2047  
2048              // pseudo-class names are case-insensitive
2049              // http://www.w3.org/TR/selectors/#pseudo-classes
2050              // Prioritize by case sensitivity in case custom pseudos are added with uppercase letters
2051              // Remember that setFilters inherits from pseudos
2052              var args,
2053                  fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] ||
2054                      Sizzle.error( "unsupported pseudo: " + pseudo );
2055  
2056              // The user may use createPseudo to indicate that
2057              // arguments are needed to create the filter function
2058              // just as Sizzle does
2059              if ( fn[ expando ] ) {
2060                  return fn( argument );
2061              }
2062  
2063              // But maintain support for old signatures
2064              if ( fn.length > 1 ) {
2065                  args = [ pseudo, pseudo, "", argument ];
2066                  return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ?
2067                      markFunction( function( seed, matches ) {
2068                          var idx,
2069                              matched = fn( seed, argument ),
2070                              i = matched.length;
2071                          while ( i-- ) {
2072                              idx = indexOf( seed, matched[ i ] );
2073                              seed[ idx ] = !( matches[ idx ] = matched[ i ] );
2074                          }
2075                      } ) :
2076                      function( elem ) {
2077                          return fn( elem, 0, args );
2078                      };
2079              }
2080  
2081              return fn;
2082          }
2083      },
2084  
2085      pseudos: {
2086  
2087          // Potentially complex pseudos
2088          "not": markFunction( function( selector ) {
2089  
2090              // Trim the selector passed to compile
2091              // to avoid treating leading and trailing
2092              // spaces as combinators
2093              var input = [],
2094                  results = [],
2095                  matcher = compile( selector.replace( rtrim, "$1" ) );
2096  
2097              return matcher[ expando ] ?
2098                  markFunction( function( seed, matches, _context, xml ) {
2099                      var elem,
2100                          unmatched = matcher( seed, null, xml, [] ),
2101                          i = seed.length;
2102  
2103                      // Match elements unmatched by `matcher`
2104                      while ( i-- ) {
2105                          if ( ( elem = unmatched[ i ] ) ) {
2106                              seed[ i ] = !( matches[ i ] = elem );
2107                          }
2108                      }
2109                  } ) :
2110                  function( elem, _context, xml ) {
2111                      input[ 0 ] = elem;
2112                      matcher( input, null, xml, results );
2113  
2114                      // Don't keep the element (issue #299)
2115                      input[ 0 ] = null;
2116                      return !results.pop();
2117                  };
2118          } ),
2119  
2120          "has": markFunction( function( selector ) {
2121              return function( elem ) {
2122                  return Sizzle( selector, elem ).length > 0;
2123              };
2124          } ),
2125  
2126          "contains": markFunction( function( text ) {
2127              text = text.replace( runescape, funescape );
2128              return function( elem ) {
2129                  return ( elem.textContent || getText( elem ) ).indexOf( text ) > -1;
2130              };
2131          } ),
2132  
2133          // "Whether an element is represented by a :lang() selector
2134          // is based solely on the element's language value
2135          // being equal to the identifier C,
2136          // or beginning with the identifier C immediately followed by "-".
2137          // The matching of C against the element's language value is performed case-insensitively.
2138          // The identifier C does not have to be a valid language name."
2139          // http://www.w3.org/TR/selectors/#lang-pseudo
2140          "lang": markFunction( function( lang ) {
2141  
2142              // lang value must be a valid identifier
2143              if ( !ridentifier.test( lang || "" ) ) {
2144                  Sizzle.error( "unsupported lang: " + lang );
2145              }
2146              lang = lang.replace( runescape, funescape ).toLowerCase();
2147              return function( elem ) {
2148                  var elemLang;
2149                  do {
2150                      if ( ( elemLang = documentIsHTML ?
2151                          elem.lang :
2152                          elem.getAttribute( "xml:lang" ) || elem.getAttribute( "lang" ) ) ) {
2153  
2154                          elemLang = elemLang.toLowerCase();
2155                          return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0;
2156                      }
2157                  } while ( ( elem = elem.parentNode ) && elem.nodeType === 1 );
2158                  return false;
2159              };
2160          } ),
2161  
2162          // Miscellaneous
2163          "target": function( elem ) {
2164              var hash = window.location && window.location.hash;
2165              return hash && hash.slice( 1 ) === elem.id;
2166          },
2167  
2168          "root": function( elem ) {
2169              return elem === docElem;
2170          },
2171  
2172          "focus": function( elem ) {
2173              return elem === document.activeElement &&
2174                  ( !document.hasFocus || document.hasFocus() ) &&
2175                  !!( elem.type || elem.href || ~elem.tabIndex );
2176          },
2177  
2178          // Boolean properties
2179          "enabled": createDisabledPseudo( false ),
2180          "disabled": createDisabledPseudo( true ),
2181  
2182          "checked": function( elem ) {
2183  
2184              // In CSS3, :checked should return both checked and selected elements
2185              // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
2186              var nodeName = elem.nodeName.toLowerCase();
2187              return ( nodeName === "input" && !!elem.checked ) ||
2188                  ( nodeName === "option" && !!elem.selected );
2189          },
2190  
2191          "selected": function( elem ) {
2192  
2193              // Accessing this property makes selected-by-default
2194              // options in Safari work properly
2195              if ( elem.parentNode ) {
2196                  // eslint-disable-next-line no-unused-expressions
2197                  elem.parentNode.selectedIndex;
2198              }
2199  
2200              return elem.selected === true;
2201          },
2202  
2203          // Contents
2204          "empty": function( elem ) {
2205  
2206              // http://www.w3.org/TR/selectors/#empty-pseudo
2207              // :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5),
2208              //   but not by others (comment: 8; processing instruction: 7; etc.)
2209              // nodeType < 6 works because attributes (2) do not appear as children
2210              for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
2211                  if ( elem.nodeType < 6 ) {
2212                      return false;
2213                  }
2214              }
2215              return true;
2216          },
2217  
2218          "parent": function( elem ) {
2219              return !Expr.pseudos[ "empty" ]( elem );
2220          },
2221  
2222          // Element/input types
2223          "header": function( elem ) {
2224              return rheader.test( elem.nodeName );
2225          },
2226  
2227          "input": function( elem ) {
2228              return rinputs.test( elem.nodeName );
2229          },
2230  
2231          "button": function( elem ) {
2232              var name = elem.nodeName.toLowerCase();
2233              return name === "input" && elem.type === "button" || name === "button";
2234          },
2235  
2236          "text": function( elem ) {
2237              var attr;
2238              return elem.nodeName.toLowerCase() === "input" &&
2239                  elem.type === "text" &&
2240  
2241                  // Support: IE<8
2242                  // New HTML5 attribute values (e.g., "search") appear with elem.type === "text"
2243                  ( ( attr = elem.getAttribute( "type" ) ) == null ||
2244                      attr.toLowerCase() === "text" );
2245          },
2246  
2247          // Position-in-collection
2248          "first": createPositionalPseudo( function() {
2249              return [ 0 ];
2250          } ),
2251  
2252          "last": createPositionalPseudo( function( _matchIndexes, length ) {
2253              return [ length - 1 ];
2254          } ),
2255  
2256          "eq": createPositionalPseudo( function( _matchIndexes, length, argument ) {
2257              return [ argument < 0 ? argument + length : argument ];
2258          } ),
2259  
2260          "even": createPositionalPseudo( function( matchIndexes, length ) {
2261              var i = 0;
2262              for ( ; i < length; i += 2 ) {
2263                  matchIndexes.push( i );
2264              }
2265              return matchIndexes;
2266          } ),
2267  
2268          "odd": createPositionalPseudo( function( matchIndexes, length ) {
2269              var i = 1;
2270              for ( ; i < length; i += 2 ) {
2271                  matchIndexes.push( i );
2272              }
2273              return matchIndexes;
2274          } ),
2275  
2276          "lt": createPositionalPseudo( function( matchIndexes, length, argument ) {
2277              var i = argument < 0 ?
2278                  argument + length :
2279                  argument > length ?
2280                      length :
2281                      argument;
2282              for ( ; --i >= 0; ) {
2283                  matchIndexes.push( i );
2284              }
2285              return matchIndexes;
2286          } ),
2287  
2288          "gt": createPositionalPseudo( function( matchIndexes, length, argument ) {
2289              var i = argument < 0 ? argument + length : argument;
2290              for ( ; ++i < length; ) {
2291                  matchIndexes.push( i );
2292              }
2293              return matchIndexes;
2294          } )
2295      }
2296  };
2297  
2298  Expr.pseudos[ "nth" ] = Expr.pseudos[ "eq" ];
2299  
2300  // Add button/input type pseudos
2301  for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) {
2302      Expr.pseudos[ i ] = createInputPseudo( i );
2303  }
2304  for ( i in { submit: true, reset: true } ) {
2305      Expr.pseudos[ i ] = createButtonPseudo( i );
2306  }
2307  
2308  // Easy API for creating new setFilters
2309  function setFilters() {}
2310  setFilters.prototype = Expr.filters = Expr.pseudos;
2311  Expr.setFilters = new setFilters();
2312  
2313  tokenize = Sizzle.tokenize = function( selector, parseOnly ) {
2314      var matched, match, tokens, type,
2315          soFar, groups, preFilters,
2316          cached = tokenCache[ selector + " " ];
2317  
2318      if ( cached ) {
2319          return parseOnly ? 0 : cached.slice( 0 );
2320      }
2321  
2322      soFar = selector;
2323      groups = [];
2324      preFilters = Expr.preFilter;
2325  
2326      while ( soFar ) {
2327  
2328          // Comma and first run
2329          if ( !matched || ( match = rcomma.exec( soFar ) ) ) {
2330              if ( match ) {
2331  
2332                  // Don't consume trailing commas as valid
2333                  soFar = soFar.slice( match[ 0 ].length ) || soFar;
2334              }
2335              groups.push( ( tokens = [] ) );
2336          }
2337  
2338          matched = false;
2339  
2340          // Combinators
2341          if ( ( match = rcombinators.exec( soFar ) ) ) {
2342              matched = match.shift();
2343              tokens.push( {
2344                  value: matched,
2345  
2346                  // Cast descendant combinators to space
2347                  type: match[ 0 ].replace( rtrim, " " )
2348              } );
2349              soFar = soFar.slice( matched.length );
2350          }
2351  
2352          // Filters
2353          for ( type in Expr.filter ) {
2354              if ( ( match = matchExpr[ type ].exec( soFar ) ) && ( !preFilters[ type ] ||
2355                  ( match = preFilters[ type ]( match ) ) ) ) {
2356                  matched = match.shift();
2357                  tokens.push( {
2358                      value: matched,
2359                      type: type,
2360                      matches: match
2361                  } );
2362                  soFar = soFar.slice( matched.length );
2363              }
2364          }
2365  
2366          if ( !matched ) {
2367              break;
2368          }
2369      }
2370  
2371      // Return the length of the invalid excess
2372      // if we're just parsing
2373      // Otherwise, throw an error or return tokens
2374      return parseOnly ?
2375          soFar.length :
2376          soFar ?
2377              Sizzle.error( selector ) :
2378  
2379              // Cache the tokens
2380              tokenCache( selector, groups ).slice( 0 );
2381  };
2382  
2383  function toSelector( tokens ) {
2384      var i = 0,
2385          len = tokens.length,
2386          selector = "";
2387      for ( ; i < len; i++ ) {
2388          selector += tokens[ i ].value;
2389      }
2390      return selector;
2391  }
2392  
2393  function addCombinator( matcher, combinator, base ) {
2394      var dir = combinator.dir,
2395          skip = combinator.next,
2396          key = skip || dir,
2397          checkNonElements = base && key === "parentNode",
2398          doneName = done++;
2399  
2400      return combinator.first ?
2401  
2402          // Check against closest ancestor/preceding element
2403          function( elem, context, xml ) {
2404              while ( ( elem = elem[ dir ] ) ) {
2405                  if ( elem.nodeType === 1 || checkNonElements ) {
2406                      return matcher( elem, context, xml );
2407                  }
2408              }
2409              return false;
2410          } :
2411  
2412          // Check against all ancestor/preceding elements
2413          function( elem, context, xml ) {
2414              var oldCache, uniqueCache, outerCache,
2415                  newCache = [ dirruns, doneName ];
2416  
2417              // We can't set arbitrary data on XML nodes, so they don't benefit from combinator caching
2418              if ( xml ) {
2419                  while ( ( elem = elem[ dir ] ) ) {
2420                      if ( elem.nodeType === 1 || checkNonElements ) {
2421                          if ( matcher( elem, context, xml ) ) {
2422                              return true;
2423                          }
2424                      }
2425                  }
2426              } else {
2427                  while ( ( elem = elem[ dir ] ) ) {
2428                      if ( elem.nodeType === 1 || checkNonElements ) {
2429                          outerCache = elem[ expando ] || ( elem[ expando ] = {} );
2430  
2431                          // Support: IE <9 only
2432                          // Defend against cloned attroperties (jQuery gh-1709)
2433                          uniqueCache = outerCache[ elem.uniqueID ] ||
2434                              ( outerCache[ elem.uniqueID ] = {} );
2435  
2436                          if ( skip && skip === elem.nodeName.toLowerCase() ) {
2437                              elem = elem[ dir ] || elem;
2438                          } else if ( ( oldCache = uniqueCache[ key ] ) &&
2439                              oldCache[ 0 ] === dirruns && oldCache[ 1 ] === doneName ) {
2440  
2441                              // Assign to newCache so results back-propagate to previous elements
2442                              return ( newCache[ 2 ] = oldCache[ 2 ] );
2443                          } else {
2444  
2445                              // Reuse newcache so results back-propagate to previous elements
2446                              uniqueCache[ key ] = newCache;
2447  
2448                              // A match means we're done; a fail means we have to keep checking
2449                              if ( ( newCache[ 2 ] = matcher( elem, context, xml ) ) ) {
2450                                  return true;
2451                              }
2452                          }
2453                      }
2454                  }
2455              }
2456              return false;
2457          };
2458  }
2459  
2460  function elementMatcher( matchers ) {
2461      return matchers.length > 1 ?
2462          function( elem, context, xml ) {
2463              var i = matchers.length;
2464              while ( i-- ) {
2465                  if ( !matchers[ i ]( elem, context, xml ) ) {
2466                      return false;
2467                  }
2468              }
2469              return true;
2470          } :
2471          matchers[ 0 ];
2472  }
2473  
2474  function multipleContexts( selector, contexts, results ) {
2475      var i = 0,
2476          len = contexts.length;
2477      for ( ; i < len; i++ ) {
2478          Sizzle( selector, contexts[ i ], results );
2479      }
2480      return results;
2481  }
2482  
2483  function condense( unmatched, map, filter, context, xml ) {
2484      var elem,
2485          newUnmatched = [],
2486          i = 0,
2487          len = unmatched.length,
2488          mapped = map != null;
2489  
2490      for ( ; i < len; i++ ) {
2491          if ( ( elem = unmatched[ i ] ) ) {
2492              if ( !filter || filter( elem, context, xml ) ) {
2493                  newUnmatched.push( elem );
2494                  if ( mapped ) {
2495                      map.push( i );
2496                  }
2497              }
2498          }
2499      }
2500  
2501      return newUnmatched;
2502  }
2503  
2504  function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) {
2505      if ( postFilter && !postFilter[ expando ] ) {
2506          postFilter = setMatcher( postFilter );
2507      }
2508      if ( postFinder && !postFinder[ expando ] ) {
2509          postFinder = setMatcher( postFinder, postSelector );
2510      }
2511      return markFunction( function( seed, results, context, xml ) {
2512          var temp, i, elem,
2513              preMap = [],
2514              postMap = [],
2515              preexisting = results.length,
2516  
2517              // Get initial elements from seed or context
2518              elems = seed || multipleContexts(
2519                  selector || "*",
2520                  context.nodeType ? [ context ] : context,
2521                  []
2522              ),
2523  
2524              // Prefilter to get matcher input, preserving a map for seed-results synchronization
2525              matcherIn = preFilter && ( seed || !selector ) ?
2526                  condense( elems, preMap, preFilter, context, xml ) :
2527                  elems,
2528  
2529              matcherOut = matcher ?
2530  
2531                  // If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results,
2532                  postFinder || ( seed ? preFilter : preexisting || postFilter ) ?
2533  
2534                      // ...intermediate processing is necessary
2535                      [] :
2536  
2537                      // ...otherwise use results directly
2538                      results :
2539                  matcherIn;
2540  
2541          // Find primary matches
2542          if ( matcher ) {
2543              matcher( matcherIn, matcherOut, context, xml );
2544          }
2545  
2546          // Apply postFilter
2547          if ( postFilter ) {
2548              temp = condense( matcherOut, postMap );
2549              postFilter( temp, [], context, xml );
2550  
2551              // Un-match failing elements by moving them back to matcherIn
2552              i = temp.length;
2553              while ( i-- ) {
2554                  if ( ( elem = temp[ i ] ) ) {
2555                      matcherOut[ postMap[ i ] ] = !( matcherIn[ postMap[ i ] ] = elem );
2556                  }
2557              }
2558          }
2559  
2560          if ( seed ) {
2561              if ( postFinder || preFilter ) {
2562                  if ( postFinder ) {
2563  
2564                      // Get the final matcherOut by condensing this intermediate into postFinder contexts
2565                      temp = [];
2566                      i = matcherOut.length;
2567                      while ( i-- ) {
2568                          if ( ( elem = matcherOut[ i ] ) ) {
2569  
2570                              // Restore matcherIn since elem is not yet a final match
2571                              temp.push( ( matcherIn[ i ] = elem ) );
2572                          }
2573                      }
2574                      postFinder( null, ( matcherOut = [] ), temp, xml );
2575                  }
2576  
2577                  // Move matched elements from seed to results to keep them synchronized
2578                  i = matcherOut.length;
2579                  while ( i-- ) {
2580                      if ( ( elem = matcherOut[ i ] ) &&
2581                          ( temp = postFinder ? indexOf( seed, elem ) : preMap[ i ] ) > -1 ) {
2582  
2583                          seed[ temp ] = !( results[ temp ] = elem );
2584                      }
2585                  }
2586              }
2587  
2588          // Add elements to results, through postFinder if defined
2589          } else {
2590              matcherOut = condense(
2591                  matcherOut === results ?
2592                      matcherOut.splice( preexisting, matcherOut.length ) :
2593                      matcherOut
2594              );
2595              if ( postFinder ) {
2596                  postFinder( null, results, matcherOut, xml );
2597              } else {
2598                  push.apply( results, matcherOut );
2599              }
2600          }
2601      } );
2602  }
2603  
2604  function matcherFromTokens( tokens ) {
2605      var checkContext, matcher, j,
2606          len = tokens.length,
2607          leadingRelative = Expr.relative[ tokens[ 0 ].type ],
2608          implicitRelative = leadingRelative || Expr.relative[ " " ],
2609          i = leadingRelative ? 1 : 0,
2610  
2611          // The foundational matcher ensures that elements are reachable from top-level context(s)
2612          matchContext = addCombinator( function( elem ) {
2613              return elem === checkContext;
2614          }, implicitRelative, true ),
2615          matchAnyContext = addCombinator( function( elem ) {
2616              return indexOf( checkContext, elem ) > -1;
2617          }, implicitRelative, true ),
2618          matchers = [ function( elem, context, xml ) {
2619              var ret = ( !leadingRelative && ( xml || context !== outermostContext ) ) || (
2620                  ( checkContext = context ).nodeType ?
2621                      matchContext( elem, context, xml ) :
2622                      matchAnyContext( elem, context, xml ) );
2623  
2624              // Avoid hanging onto element (issue #299)
2625              checkContext = null;
2626              return ret;
2627          } ];
2628  
2629      for ( ; i < len; i++ ) {
2630          if ( ( matcher = Expr.relative[ tokens[ i ].type ] ) ) {
2631              matchers = [ addCombinator( elementMatcher( matchers ), matcher ) ];
2632          } else {
2633              matcher = Expr.filter[ tokens[ i ].type ].apply( null, tokens[ i ].matches );
2634  
2635              // Return special upon seeing a positional matcher
2636              if ( matcher[ expando ] ) {
2637  
2638                  // Find the next relative operator (if any) for proper handling
2639                  j = ++i;
2640                  for ( ; j < len; j++ ) {
2641                      if ( Expr.relative[ tokens[ j ].type ] ) {
2642                          break;
2643                      }
2644                  }
2645                  return setMatcher(
2646                      i > 1 && elementMatcher( matchers ),
2647                      i > 1 && toSelector(
2648  
2649                      // If the preceding token was a descendant combinator, insert an implicit any-element `*`
2650                      tokens
2651                          .slice( 0, i - 1 )
2652                          .concat( { value: tokens[ i - 2 ].type === " " ? "*" : "" } )
2653                      ).replace( rtrim, "$1" ),
2654                      matcher,
2655                      i < j && matcherFromTokens( tokens.slice( i, j ) ),
2656                      j < len && matcherFromTokens( ( tokens = tokens.slice( j ) ) ),
2657                      j < len && toSelector( tokens )
2658                  );
2659              }
2660              matchers.push( matcher );
2661          }
2662      }
2663  
2664      return elementMatcher( matchers );
2665  }
2666  
2667  function matcherFromGroupMatchers( elementMatchers, setMatchers ) {
2668      var bySet = setMatchers.length > 0,
2669          byElement = elementMatchers.length > 0,
2670          superMatcher = function( seed, context, xml, results, outermost ) {
2671              var elem, j, matcher,
2672                  matchedCount = 0,
2673                  i = "0",
2674                  unmatched = seed && [],
2675                  setMatched = [],
2676                  contextBackup = outermostContext,
2677  
2678                  // We must always have either seed elements or outermost context
2679                  elems = seed || byElement && Expr.find[ "TAG" ]( "*", outermost ),
2680  
2681                  // Use integer dirruns iff this is the outermost matcher
2682                  dirrunsUnique = ( dirruns += contextBackup == null ? 1 : Math.random() || 0.1 ),
2683                  len = elems.length;
2684  
2685              if ( outermost ) {
2686  
2687                  // Support: IE 11+, Edge 17 - 18+
2688                  // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
2689                  // two documents; shallow comparisons work.
2690                  // eslint-disable-next-line eqeqeq
2691                  outermostContext = context == document || context || outermost;
2692              }
2693  
2694              // Add elements passing elementMatchers directly to results
2695              // Support: IE<9, Safari
2696              // Tolerate NodeList properties (IE: "length"; Safari: <number>) matching elements by id
2697              for ( ; i !== len && ( elem = elems[ i ] ) != null; i++ ) {
2698                  if ( byElement && elem ) {
2699                      j = 0;
2700  
2701                      // Support: IE 11+, Edge 17 - 18+
2702                      // IE/Edge sometimes throw a "Permission denied" error when strict-comparing
2703                      // two documents; shallow comparisons work.
2704                      // eslint-disable-next-line eqeqeq
2705                      if ( !context && elem.ownerDocument != document ) {
2706                          setDocument( elem );
2707                          xml = !documentIsHTML;
2708                      }
2709                      while ( ( matcher = elementMatchers[ j++ ] ) ) {
2710                          if ( matcher( elem, context || document, xml ) ) {
2711                              results.push( elem );
2712                              break;
2713                          }
2714                      }
2715                      if ( outermost ) {
2716                          dirruns = dirrunsUnique;
2717                      }
2718                  }
2719  
2720                  // Track unmatched elements for set filters
2721                  if ( bySet ) {
2722  
2723                      // They will have gone through all possible matchers
2724                      if ( ( elem = !matcher && elem ) ) {
2725                          matchedCount--;
2726                      }
2727  
2728                      // Lengthen the array for every element, matched or not
2729                      if ( seed ) {
2730                          unmatched.push( elem );
2731                      }
2732                  }
2733              }
2734  
2735              // `i` is now the count of elements visited above, and adding it to `matchedCount`
2736              // makes the latter nonnegative.
2737              matchedCount += i;
2738  
2739              // Apply set filters to unmatched elements
2740              // NOTE: This can be skipped if there are no unmatched elements (i.e., `matchedCount`
2741              // equals `i`), unless we didn't visit _any_ elements in the above loop because we have
2742              // no element matchers and no seed.
2743              // Incrementing an initially-string "0" `i` allows `i` to remain a string only in that
2744              // case, which will result in a "00" `matchedCount` that differs from `i` but is also
2745              // numerically zero.
2746              if ( bySet && i !== matchedCount ) {
2747                  j = 0;
2748                  while ( ( matcher = setMatchers[ j++ ] ) ) {
2749                      matcher( unmatched, setMatched, context, xml );
2750                  }
2751  
2752                  if ( seed ) {
2753  
2754                      // Reintegrate element matches to eliminate the need for sorting
2755                      if ( matchedCount > 0 ) {
2756                          while ( i-- ) {
2757                              if ( !( unmatched[ i ] || setMatched[ i ] ) ) {
2758                                  setMatched[ i ] = pop.call( results );
2759                              }
2760                          }
2761                      }
2762  
2763                      // Discard index placeholder values to get only actual matches
2764                      setMatched = condense( setMatched );
2765                  }
2766  
2767                  // Add matches to results
2768                  push.apply( results, setMatched );
2769  
2770                  // Seedless set matches succeeding multiple successful matchers stipulate sorting
2771                  if ( outermost && !seed && setMatched.length > 0 &&
2772                      ( matchedCount + setMatchers.length ) > 1 ) {
2773  
2774                      Sizzle.uniqueSort( results );
2775                  }
2776              }
2777  
2778              // Override manipulation of globals by nested matchers
2779              if ( outermost ) {
2780                  dirruns = dirrunsUnique;
2781                  outermostContext = contextBackup;
2782              }
2783  
2784              return unmatched;
2785          };
2786  
2787      return bySet ?
2788          markFunction( superMatcher ) :
2789          superMatcher;
2790  }
2791  
2792  compile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) {
2793      var i,
2794          setMatchers = [],
2795          elementMatchers = [],
2796          cached = compilerCache[ selector + " " ];
2797  
2798      if ( !cached ) {
2799  
2800          // Generate a function of recursive functions that can be used to check each element
2801          if ( !match ) {
2802              match = tokenize( selector );
2803          }
2804          i = match.length;
2805          while ( i-- ) {
2806              cached = matcherFromTokens( match[ i ] );
2807              if ( cached[ expando ] ) {
2808                  setMatchers.push( cached );
2809              } else {
2810                  elementMatchers.push( cached );
2811              }
2812          }
2813  
2814          // Cache the compiled function
2815          cached = compilerCache(
2816              selector,
2817              matcherFromGroupMatchers( elementMatchers, setMatchers )
2818          );
2819  
2820          // Save selector and tokenization
2821          cached.selector = selector;
2822      }
2823      return cached;
2824  };
2825  
2826  /**
2827   * A low-level selection function that works with Sizzle's compiled
2828   *  selector functions
2829   * @param {String|Function} selector A selector or a pre-compiled
2830   *  selector function built with Sizzle.compile
2831   * @param {Element} context
2832   * @param {Array} [results]
2833   * @param {Array} [seed] A set of elements to match against
2834   */
2835  select = Sizzle.select = function( selector, context, results, seed ) {
2836      var i, tokens, token, type, find,
2837          compiled = typeof selector === "function" && selector,
2838          match = !seed && tokenize( ( selector = compiled.selector || selector ) );
2839  
2840      results = results || [];
2841  
2842      // Try to minimize operations if there is only one selector in the list and no seed
2843      // (the latter of which guarantees us context)
2844      if ( match.length === 1 ) {
2845  
2846          // Reduce context if the leading compound selector is an ID
2847          tokens = match[ 0 ] = match[ 0 ].slice( 0 );
2848          if ( tokens.length > 2 && ( token = tokens[ 0 ] ).type === "ID" &&
2849              context.nodeType === 9 && documentIsHTML && Expr.relative[ tokens[ 1 ].type ] ) {
2850  
2851              context = ( Expr.find[ "ID" ]( token.matches[ 0 ]
2852                  .replace( runescape, funescape ), context ) || [] )[ 0 ];
2853              if ( !context ) {
2854                  return results;
2855  
2856              // Precompiled matchers will still verify ancestry, so step up a level
2857              } else if ( compiled ) {
2858                  context = context.parentNode;
2859              }
2860  
2861              selector = selector.slice( tokens.shift().value.length );
2862          }
2863  
2864          // Fetch a seed set for right-to-left matching
2865          i = matchExpr[ "needsContext" ].test( selector ) ? 0 : tokens.length;
2866          while ( i-- ) {
2867              token = tokens[ i ];
2868  
2869              // Abort if we hit a combinator
2870              if ( Expr.relative[ ( type = token.type ) ] ) {
2871                  break;
2872              }
2873              if ( ( find = Expr.find[ type ] ) ) {
2874  
2875                  // Search, expanding context for leading sibling combinators
2876                  if ( ( seed = find(
2877                      token.matches[ 0 ].replace( runescape, funescape ),
2878                      rsibling.test( tokens[ 0 ].type ) && testContext( context.parentNode ) ||
2879                          context
2880                  ) ) ) {
2881  
2882                      // If seed is empty or no tokens remain, we can return early
2883                      tokens.splice( i, 1 );
2884                      selector = seed.length && toSelector( tokens );
2885                      if ( !selector ) {
2886                          push.apply( results, seed );
2887                          return results;
2888                      }
2889  
2890                      break;
2891                  }
2892              }
2893          }
2894      }
2895  
2896      // Compile and execute a filtering function if one is not provided
2897      // Provide `match` to avoid retokenization if we modified the selector above
2898      ( compiled || compile( selector, match ) )(
2899          seed,
2900          context,
2901          !documentIsHTML,
2902          results,
2903          !context || rsibling.test( selector ) && testContext( context.parentNode ) || context
2904      );
2905      return results;
2906  };
2907  
2908  // One-time assignments
2909  
2910  // Sort stability
2911  support.sortStable = expando.split( "" ).sort( sortOrder ).join( "" ) === expando;
2912  
2913  // Support: Chrome 14-35+
2914  // Always assume duplicates if they aren't passed to the comparison function
2915  support.detectDuplicates = !!hasDuplicate;
2916  
2917  // Initialize against the default document
2918  setDocument();
2919  
2920  // Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27)
2921  // Detached nodes confoundingly follow *each other*
2922  support.sortDetached = assert( function( el ) {
2923  
2924      // Should return 1, but returns 4 (following)
2925      return el.compareDocumentPosition( document.createElement( "fieldset" ) ) & 1;
2926  } );
2927  
2928  // Support: IE<8
2929  // Prevent attribute/property "interpolation"
2930  // https://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx
2931  if ( !assert( function( el ) {
2932      el.innerHTML = "<a href='#'></a>";
2933      return el.firstChild.getAttribute( "href" ) === "#";
2934  } ) ) {
2935      addHandle( "type|href|height|width", function( elem, name, isXML ) {
2936          if ( !isXML ) {
2937              return elem.getAttribute( name, name.toLowerCase() === "type" ? 1 : 2 );
2938          }
2939      } );
2940  }
2941  
2942  // Support: IE<9
2943  // Use defaultValue in place of getAttribute("value")
2944  if ( !support.attributes || !assert( function( el ) {
2945      el.innerHTML = "<input/>";
2946      el.firstChild.setAttribute( "value", "" );
2947      return el.firstChild.getAttribute( "value" ) === "";
2948  } ) ) {
2949      addHandle( "value", function( elem, _name, isXML ) {
2950          if ( !isXML && elem.nodeName.toLowerCase() === "input" ) {
2951              return elem.defaultValue;
2952          }
2953      } );
2954  }
2955  
2956  // Support: IE<9
2957  // Use getAttributeNode to fetch booleans when getAttribute lies
2958  if ( !assert( function( el ) {
2959      return el.getAttribute( "disabled" ) == null;
2960  } ) ) {
2961      addHandle( booleans, function( elem, name, isXML ) {
2962          var val;
2963          if ( !isXML ) {
2964              return elem[ name ] === true ? name.toLowerCase() :
2965                  ( val = elem.getAttributeNode( name ) ) && val.specified ?
2966                      val.value :
2967                      null;
2968          }
2969      } );
2970  }
2971  
2972  return Sizzle;
2973  
2974  } )( window );
2975  
2976  
2977  
2978  jQuery.find = Sizzle;
2979  jQuery.expr = Sizzle.selectors;
2980  
2981  // Deprecated
2982  jQuery.expr[ ":" ] = jQuery.expr.pseudos;
2983  jQuery.uniqueSort = jQuery.unique = Sizzle.uniqueSort;
2984  jQuery.text = Sizzle.getText;
2985  jQuery.isXMLDoc = Sizzle.isXML;
2986  jQuery.contains = Sizzle.contains;
2987  jQuery.escapeSelector = Sizzle.escape;
2988  
2989  
2990  
2991  
2992  var dir = function( elem, dir, until ) {
2993      var matched = [],
2994          truncate = until !== undefined;
2995  
2996      while ( ( elem = elem[ dir ] ) && elem.nodeType !== 9 ) {
2997          if ( elem.nodeType === 1 ) {
2998              if ( truncate && jQuery( elem ).is( until ) ) {
2999                  break;
3000              }
3001              matched.push( elem );
3002          }
3003      }
3004      return matched;
3005  };
3006  
3007  
3008  var siblings = function( n, elem ) {
3009      var matched = [];
3010  
3011      for ( ; n; n = n.nextSibling ) {
3012          if ( n.nodeType === 1 && n !== elem ) {
3013              matched.push( n );
3014          }
3015      }
3016  
3017      return matched;
3018  };
3019  
3020  
3021  var rneedsContext = jQuery.expr.match.needsContext;
3022  
3023  
3024  
3025  function nodeName( elem, name ) {
3026  
3027    return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase();
3028  
3029  };
3030  var rsingleTag = ( /^<([a-z][^\/\0>:\x20\t\r\n\f]*)[\x20\t\r\n\f]*\/?>(?:<\/\1>|)$/i );
3031  
3032  
3033  
3034  // Implement the identical functionality for filter and not
3035  function winnow( elements, qualifier, not ) {
3036      if ( isFunction( qualifier ) ) {
3037          return jQuery.grep( elements, function( elem, i ) {
3038              return !!qualifier.call( elem, i, elem ) !== not;
3039          } );
3040      }
3041  
3042      // Single element
3043      if ( qualifier.nodeType ) {
3044          return jQuery.grep( elements, function( elem ) {
3045              return ( elem === qualifier ) !== not;
3046          } );
3047      }
3048  
3049      // Arraylike of elements (jQuery, arguments, Array)
3050      if ( typeof qualifier !== "string" ) {
3051          return jQuery.grep( elements, function( elem ) {
3052              return ( indexOf.call( qualifier, elem ) > -1 ) !== not;
3053          } );
3054      }
3055  
3056      // Filtered directly for both simple and complex selectors
3057      return jQuery.filter( qualifier, elements, not );
3058  }
3059  
3060  jQuery.filter = function( expr, elems, not ) {
3061      var elem = elems[ 0 ];
3062  
3063      if ( not ) {
3064          expr = ":not(" + expr + ")";
3065      }
3066  
3067      if ( elems.length === 1 && elem.nodeType === 1 ) {
3068          return jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : [];
3069      }
3070  
3071      return jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) {
3072          return elem.nodeType === 1;
3073      } ) );
3074  };
3075  
3076  jQuery.fn.extend( {
3077      find: function( selector ) {
3078          var i, ret,
3079              len = this.length,
3080              self = this;
3081  
3082          if ( typeof selector !== "string" ) {
3083              return this.pushStack( jQuery( selector ).filter( function() {
3084                  for ( i = 0; i < len; i++ ) {
3085                      if ( jQuery.contains( self[ i ], this ) ) {
3086                          return true;
3087                      }
3088                  }
3089              } ) );
3090          }
3091  
3092          ret = this.pushStack( [] );
3093  
3094          for ( i = 0; i < len; i++ ) {
3095              jQuery.find( selector, self[ i ], ret );
3096          }
3097  
3098          return len > 1 ? jQuery.uniqueSort( ret ) : ret;
3099      },
3100      filter: function( selector ) {
3101          return this.pushStack( winnow( this, selector || [], false ) );
3102      },
3103      not: function( selector ) {
3104          return this.pushStack( winnow( this, selector || [], true ) );
3105      },
3106      is: function( selector ) {
3107          return !!winnow(
3108              this,
3109  
3110              // If this is a positional/relative selector, check membership in the returned set
3111              // so $("p:first").is("p:last") won't return true for a doc with two "p".
3112              typeof selector === "string" && rneedsContext.test( selector ) ?
3113                  jQuery( selector ) :
3114                  selector || [],
3115              false
3116          ).length;
3117      }
3118  } );
3119  
3120  
3121  // Initialize a jQuery object
3122  
3123  
3124  // A central reference to the root jQuery(document)
3125  var rootjQuery,
3126  
3127      // A simple way to check for HTML strings
3128      // Prioritize #id over <tag> to avoid XSS via location.hash (#9521)
3129      // Strict HTML recognition (#11290: must start with <)
3130      // Shortcut simple #id case for speed
3131      rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]+))$/,
3132  
3133      init = jQuery.fn.init = function( selector, context, root ) {
3134          var match, elem;
3135  
3136          // HANDLE: $(""), $(null), $(undefined), $(false)
3137          if ( !selector ) {
3138              return this;
3139          }
3140  
3141          // Method init() accepts an alternate rootjQuery
3142          // so migrate can support jQuery.sub (gh-2101)
3143          root = root || rootjQuery;
3144  
3145          // Handle HTML strings
3146          if ( typeof selector === "string" ) {
3147              if ( selector[ 0 ] === "<" &&
3148                  selector[ selector.length - 1 ] === ">" &&
3149                  selector.length >= 3 ) {
3150  
3151                  // Assume that strings that start and end with <> are HTML and skip the regex check
3152                  match = [ null, selector, null ];
3153  
3154              } else {
3155                  match = rquickExpr.exec( selector );
3156              }
3157  
3158              // Match html or make sure no context is specified for #id
3159              if ( match && ( match[ 1 ] || !context ) ) {
3160  
3161                  // HANDLE: $(html) -> $(array)
3162                  if ( match[ 1 ] ) {
3163                      context = context instanceof jQuery ? context[ 0 ] : context;
3164  
3165                      // Option to run scripts is true for back-compat
3166                      // Intentionally let the error be thrown if parseHTML is not present
3167                      jQuery.merge( this, jQuery.parseHTML(
3168                          match[ 1 ],
3169                          context && context.nodeType ? context.ownerDocument || context : document,
3170                          true
3171                      ) );
3172  
3173                      // HANDLE: $(html, props)
3174                      if ( rsingleTag.test( match[ 1 ] ) && jQuery.isPlainObject( context ) ) {
3175                          for ( match in context ) {
3176  
3177                              // Properties of context are called as methods if possible
3178                              if ( isFunction( this[ match ] ) ) {
3179                                  this[ match ]( context[ match ] );
3180  
3181                              // ...and otherwise set as attributes
3182                              } else {
3183                                  this.attr( match, context[ match ] );
3184                              }
3185                          }
3186                      }
3187  
3188                      return this;
3189  
3190                  // HANDLE: $(#id)
3191                  } else {
3192                      elem = document.getElementById( match[ 2 ] );
3193  
3194                      if ( elem ) {
3195  
3196                          // Inject the element directly into the jQuery object
3197                          this[ 0 ] = elem;
3198                          this.length = 1;
3199                      }
3200                      return this;
3201                  }
3202  
3203              // HANDLE: $(expr, $(...))
3204              } else if ( !context || context.jquery ) {
3205                  return ( context || root ).find( selector );
3206  
3207              // HANDLE: $(expr, context)
3208              // (which is just equivalent to: $(context).find(expr)
3209              } else {
3210                  return this.constructor( context ).find( selector );
3211              }
3212  
3213          // HANDLE: $(DOMElement)
3214          } else if ( selector.nodeType ) {
3215              this[ 0 ] = selector;
3216              this.length = 1;
3217              return this;
3218  
3219          // HANDLE: $(function)
3220          // Shortcut for document ready
3221          } else if ( isFunction( selector ) ) {
3222              return root.ready !== undefined ?
3223                  root.ready( selector ) :
3224  
3225                  // Execute immediately if ready is not present
3226                  selector( jQuery );
3227          }
3228  
3229          return jQuery.makeArray( selector, this );
3230      };
3231  
3232  // Give the init function the jQuery prototype for later instantiation
3233  init.prototype = jQuery.fn;
3234  
3235  // Initialize central reference
3236  rootjQuery = jQuery( document );
3237  
3238  
3239  var rparentsprev = /^(?:parents|prev(?:Until|All))/,
3240  
3241      // Methods guaranteed to produce a unique set when starting from a unique set
3242      guaranteedUnique = {
3243          children: true,
3244          contents: true,
3245          next: true,
3246          prev: true
3247      };
3248  
3249  jQuery.fn.extend( {
3250      has: function( target ) {
3251          var targets = jQuery( target, this ),
3252              l = targets.length;
3253  
3254          return this.filter( function() {
3255              var i = 0;
3256              for ( ; i < l; i++ ) {
3257                  if ( jQuery.contains( this, targets[ i ] ) ) {
3258                      return true;
3259                  }
3260              }
3261          } );
3262      },
3263  
3264      closest: function( selectors, context ) {
3265          var cur,
3266              i = 0,
3267              l = this.length,
3268              matched = [],
3269              targets = typeof selectors !== "string" && jQuery( selectors );
3270  
3271          // Positional selectors never match, since there's no _selection_ context
3272          if ( !rneedsContext.test( selectors ) ) {
3273              for ( ; i < l; i++ ) {
3274                  for ( cur = this[ i ]; cur && cur !== context; cur = cur.parentNode ) {
3275  
3276                      // Always skip document fragments
3277                      if ( cur.nodeType < 11 && ( targets ?
3278                          targets.index( cur ) > -1 :
3279  
3280                          // Don't pass non-elements to Sizzle
3281                          cur.nodeType === 1 &&
3282                              jQuery.find.matchesSelector( cur, selectors ) ) ) {
3283  
3284                          matched.push( cur );
3285                          break;
3286                      }
3287                  }
3288              }
3289          }
3290  
3291          return this.pushStack( matched.length > 1 ? jQuery.uniqueSort( matched ) : matched );
3292      },
3293  
3294      // Determine the position of an element within the set
3295      index: function( elem ) {
3296  
3297          // No argument, return index in parent
3298          if ( !elem ) {
3299              return ( this[ 0 ] && this[ 0 ].parentNode ) ? this.first().prevAll().length : -1;
3300          }
3301  
3302          // Index in selector
3303          if ( typeof elem === "string" ) {
3304              return indexOf.call( jQuery( elem ), this[ 0 ] );
3305          }
3306  
3307          // Locate the position of the desired element
3308          return indexOf.call( this,
3309  
3310              // If it receives a jQuery object, the first element is used
3311              elem.jquery ? elem[ 0 ] : elem
3312          );
3313      },
3314  
3315      add: function( selector, context ) {
3316          return this.pushStack(
3317              jQuery.uniqueSort(
3318                  jQuery.merge( this.get(), jQuery( selector, context ) )
3319              )
3320          );
3321      },
3322  
3323      addBack: function( selector ) {
3324          return this.add( selector == null ?
3325              this.prevObject : this.prevObject.filter( selector )
3326          );
3327      }
3328  } );
3329  
3330  function sibling( cur, dir ) {
3331      while ( ( cur = cur[ dir ] ) && cur.nodeType !== 1 ) {}
3332      return cur;
3333  }
3334  
3335  jQuery.each( {
3336      parent: function( elem ) {
3337          var parent = elem.parentNode;
3338          return parent && parent.nodeType !== 11 ? parent : null;
3339      },
3340      parents: function( elem ) {
3341          return dir( elem, "parentNode" );
3342      },
3343      parentsUntil: function( elem, _i, until ) {
3344          return dir( elem, "parentNode", until );
3345      },
3346      next: function( elem ) {
3347          return sibling( elem, "nextSibling" );
3348      },
3349      prev: function( elem ) {
3350          return sibling( elem, "previousSibling" );
3351      },
3352      nextAll: function( elem ) {
3353          return dir( elem, "nextSibling" );
3354      },
3355      prevAll: function( elem ) {
3356          return dir( elem, "previousSibling" );
3357      },
3358      nextUntil: function( elem, _i, until ) {
3359          return dir( elem, "nextSibling", until );
3360      },
3361      prevUntil: function( elem, _i, until ) {
3362          return dir( elem, "previousSibling", until );
3363      },
3364      siblings: function( elem ) {
3365          return siblings( ( elem.parentNode || {} ).firstChild, elem );
3366      },
3367      children: function( elem ) {
3368          return siblings( elem.firstChild );
3369      },
3370      contents: function( elem ) {
3371          if ( elem.contentDocument != null &&
3372  
3373              // Support: IE 11+
3374              // <object> elements with no `data` attribute has an object
3375              // `contentDocument` with a `null` prototype.
3376              getProto( elem.contentDocument ) ) {
3377  
3378              return elem.contentDocument;
3379          }
3380  
3381          // Support: IE 9 - 11 only, iOS 7 only, Android Browser <=4.3 only
3382          // Treat the template element as a regular one in browsers that
3383          // don't support it.
3384          if ( nodeName( elem, "template" ) ) {
3385              elem = elem.content || elem;
3386          }
3387  
3388          return jQuery.merge( [], elem.childNodes );
3389      }
3390  }, function( name, fn ) {
3391      jQuery.fn[ name ] = function( until, selector ) {
3392          var matched = jQuery.map( this, fn, until );
3393  
3394          if ( name.slice( -5 ) !== "Until" ) {
3395              selector = until;
3396          }
3397  
3398          if ( selector && typeof selector === "string" ) {
3399              matched = jQuery.filter( selector, matched );
3400          }
3401  
3402          if ( this.length > 1 ) {
3403  
3404              // Remove duplicates
3405              if ( !guaranteedUnique[ name ] ) {
3406                  jQuery.uniqueSort( matched );
3407              }
3408  
3409              // Reverse order for parents* and prev-derivatives
3410              if ( rparentsprev.test( name ) ) {
3411                  matched.reverse();
3412              }
3413          }
3414  
3415          return this.pushStack( matched );
3416      };
3417  } );
3418  var rnothtmlwhite = ( /[^\x20\t\r\n\f]+/g );
3419  
3420  
3421  
3422  // Convert String-formatted options into Object-formatted ones
3423  function createOptions( options ) {
3424      var object = {};
3425      jQuery.each( options.match( rnothtmlwhite ) || [], function( _, flag ) {
3426          object[ flag ] = true;
3427      } );
3428      return object;
3429  }
3430  
3431  /*
3432   * Create a callback list using the following parameters:
3433   *
3434   *    options: an optional list of space-separated options that will change how
3435   *            the callback list behaves or a more traditional option object
3436   *
3437   * By default a callback list will act like an event callback list and can be
3438   * "fired" multiple times.
3439   *
3440   * Possible options:
3441   *
3442   *    once:            will ensure the callback list can only be fired once (like a Deferred)
3443   *
3444   *    memory:            will keep track of previous values and will call any callback added
3445   *                    after the list has been fired right away with the latest "memorized"
3446   *                    values (like a Deferred)
3447   *
3448   *    unique:            will ensure a callback can only be added once (no duplicate in the list)
3449   *
3450   *    stopOnFalse:    interrupt callings when a callback returns false
3451   *
3452   */
3453  jQuery.Callbacks = function( options ) {
3454  
3455      // Convert options from String-formatted to Object-formatted if needed
3456      // (we check in cache first)
3457      options = typeof options === "string" ?
3458          createOptions( options ) :
3459          jQuery.extend( {}, options );
3460  
3461      var // Flag to know if list is currently firing
3462          firing,
3463  
3464          // Last fire value for non-forgettable lists
3465          memory,
3466  
3467          // Flag to know if list was already fired
3468          fired,
3469  
3470          // Flag to prevent firing
3471          locked,
3472  
3473          // Actual callback list
3474          list = [],
3475  
3476          // Queue of execution data for repeatable lists
3477          queue = [],
3478  
3479          // Index of currently firing callback (modified by add/remove as needed)
3480          firingIndex = -1,
3481  
3482          // Fire callbacks
3483          fire = function() {
3484  
3485              // Enforce single-firing
3486              locked = locked || options.once;
3487  
3488              // Execute callbacks for all pending executions,
3489              // respecting firingIndex overrides and runtime changes
3490              fired = firing = true;
3491              for ( ; queue.length; firingIndex = -1 ) {
3492                  memory = queue.shift();
3493                  while ( ++firingIndex < list.length ) {
3494  
3495                      // Run callback and check for early termination
3496                      if ( list[ firingIndex ].apply( memory[ 0 ], memory[ 1 ] ) === false &&
3497                          options.stopOnFalse ) {
3498  
3499                          // Jump to end and forget the data so .add doesn't re-fire
3500                          firingIndex = list.length;
3501                          memory = false;
3502                      }
3503                  }
3504              }
3505  
3506              // Forget the data if we're done with it
3507              if ( !options.memory ) {
3508                  memory = false;
3509              }
3510  
3511              firing = false;
3512  
3513              // Clean up if we're done firing for good
3514              if ( locked ) {
3515  
3516                  // Keep an empty list if we have data for future add calls
3517                  if ( memory ) {
3518                      list = [];
3519  
3520                  // Otherwise, this object is spent
3521                  } else {
3522                      list = "";
3523                  }
3524              }
3525          },
3526  
3527          // Actual Callbacks object
3528          self = {
3529  
3530              // Add a callback or a collection of callbacks to the list
3531              add: function() {
3532                  if ( list ) {
3533  
3534                      // If we have memory from a past run, we should fire after adding
3535                      if ( memory && !firing ) {
3536                          firingIndex = list.length - 1;
3537                          queue.push( memory );
3538                      }
3539  
3540                      ( function add( args ) {
3541                          jQuery.each( args, function( _, arg ) {
3542                              if ( isFunction( arg ) ) {
3543                                  if ( !options.unique || !self.has( arg ) ) {
3544                                      list.push( arg );
3545                                  }
3546                              } else if ( arg && arg.length && toType( arg ) !== "string" ) {
3547  
3548                                  // Inspect recursively
3549                                  add( arg );
3550                              }
3551                          } );
3552                      } )( arguments );
3553  
3554                      if ( memory && !firing ) {
3555                          fire();
3556                      }
3557                  }
3558                  return this;
3559              },
3560  
3561              // Remove a callback from the list
3562              remove: function() {
3563                  jQuery.each( arguments, function( _, arg ) {
3564                      var index;
3565                      while ( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) {
3566                          list.splice( index, 1 );
3567  
3568                          // Handle firing indexes
3569                          if ( index <= firingIndex ) {
3570                              firingIndex--;
3571                          }
3572                      }
3573                  } );
3574                  return this;
3575              },
3576  
3577              // Check if a given callback is in the list.
3578              // If no argument is given, return whether or not list has callbacks attached.
3579              has: function( fn ) {
3580                  return fn ?
3581                      jQuery.inArray( fn, list ) > -1 :
3582                      list.length > 0;
3583              },
3584  
3585              // Remove all callbacks from the list
3586              empty: function() {
3587                  if ( list ) {
3588                      list = [];
3589                  }
3590                  return this;
3591              },
3592  
3593              // Disable .fire and .add
3594              // Abort any current/pending executions
3595              // Clear all callbacks and values
3596              disable: function() {
3597                  locked = queue = [];
3598                  list = memory = "";
3599                  return this;
3600              },
3601              disabled: function() {
3602                  return !list;
3603              },
3604  
3605              // Disable .fire
3606              // Also disable .add unless we have memory (since it would have no effect)
3607              // Abort any pending executions
3608              lock: function() {
3609                  locked = queue = [];
3610                  if ( !memory && !firing ) {
3611                      list = memory = "";
3612                  }
3613                  return this;
3614              },
3615              locked: function() {
3616                  return !!locked;
3617              },
3618  
3619              // Call all callbacks with the given context and arguments
3620              fireWith: function( context, args ) {
3621                  if ( !locked ) {
3622                      args = args || [];
3623                      args = [ context, args.slice ? args.slice() : args ];
3624                      queue.push( args );
3625                      if ( !firing ) {
3626                          fire();
3627                      }
3628                  }
3629                  return this;
3630              },
3631  
3632              // Call all the callbacks with the given arguments
3633              fire: function() {
3634                  self.fireWith( this, arguments );
3635                  return this;
3636              },
3637  
3638              // To know if the callbacks have already been called at least once
3639              fired: function() {
3640                  return !!fired;
3641              }
3642          };
3643  
3644      return self;
3645  };
3646  
3647  
3648  function Identity( v ) {
3649      return v;
3650  }
3651  function Thrower( ex ) {
3652      throw ex;
3653  }
3654  
3655  function adoptValue( value, resolve, reject, noValue ) {
3656      var method;
3657  
3658      try {
3659  
3660          // Check for promise aspect first to privilege synchronous behavior
3661          if ( value && isFunction( ( method = value.promise ) ) ) {
3662              method.call( value ).done( resolve ).fail( reject );
3663  
3664          // Other thenables
3665          } else if ( value && isFunction( ( method = value.then ) ) ) {
3666              method.call( value, resolve, reject );
3667  
3668          // Other non-thenables
3669          } else {
3670  
3671              // Control `resolve` arguments by letting Array#slice cast boolean `noValue` to integer:
3672              // * false: [ value ].slice( 0 ) => resolve( value )
3673              // * true: [ value ].slice( 1 ) => resolve()
3674              resolve.apply( undefined, [ value ].slice( noValue ) );
3675          }
3676  
3677      // For Promises/A+, convert exceptions into rejections
3678      // Since jQuery.when doesn't unwrap thenables, we can skip the extra checks appearing in
3679      // Deferred#then to conditionally suppress rejection.
3680      } catch ( value ) {
3681  
3682          // Support: Android 4.0 only
3683          // Strict mode functions invoked without .call/.apply get global-object context
3684          reject.apply( undefined, [ value ] );
3685      }
3686  }
3687  
3688  jQuery.extend( {
3689  
3690      Deferred: function( func ) {
3691          var tuples = [
3692  
3693                  // action, add listener, callbacks,
3694                  // ... .then handlers, argument index, [final state]
3695                  [ "notify", "progress", jQuery.Callbacks( "memory" ),
3696                      jQuery.Callbacks( "memory" ), 2 ],
3697                  [ "resolve", "done", jQuery.Callbacks( "once memory" ),
3698                      jQuery.Callbacks( "once memory" ), 0, "resolved" ],
3699                  [ "reject", "fail", jQuery.Callbacks( "once memory" ),
3700                      jQuery.Callbacks( "once memory" ), 1, "rejected" ]
3701              ],
3702              state = "pending",
3703              promise = {
3704                  state: function() {
3705                      return state;
3706                  },
3707                  always: function() {
3708                      deferred.done( arguments ).fail( arguments );
3709                      return this;
3710                  },
3711                  "catch": function( fn ) {
3712                      return promise.then( null, fn );
3713                  },
3714  
3715                  // Keep pipe for back-compat
3716                  pipe: function( /* fnDone, fnFail, fnProgress */ ) {
3717                      var fns = arguments;
3718  
3719                      return jQuery.Deferred( function( newDefer ) {
3720                          jQuery.each( tuples, function( _i, tuple ) {
3721  
3722                              // Map tuples (progress, done, fail) to arguments (done, fail, progress)
3723                              var fn = isFunction( fns[ tuple[ 4 ] ] ) && fns[ tuple[ 4 ] ];
3724  
3725                              // deferred.progress(function() { bind to newDefer or newDefer.notify })
3726                              // deferred.done(function() { bind to newDefer or newDefer.resolve })
3727                              // deferred.fail(function() { bind to newDefer or newDefer.reject })
3728                              deferred[ tuple[ 1 ] ]( function() {
3729                                  var returned = fn && fn.apply( this, arguments );
3730                                  if ( returned && isFunction( returned.promise ) ) {
3731                                      returned.promise()
3732                                          .progress( newDefer.notify )
3733                                          .done( newDefer.resolve )
3734                                          .fail( newDefer.reject );
3735                                  } else {
3736                                      newDefer[ tuple[ 0 ] + "With" ](
3737                                          this,
3738                                          fn ? [ returned ] : arguments
3739                                      );
3740                                  }
3741                              } );
3742                          } );
3743                          fns = null;
3744                      } ).promise();
3745                  },
3746                  then: function( onFulfilled, onRejected, onProgress ) {
3747                      var maxDepth = 0;
3748  					function resolve( depth, deferred, handler, special ) {
3749                          return function() {
3750                              var that = this,
3751                                  args = arguments,
3752                                  mightThrow = function() {
3753                                      var returned, then;
3754  
3755                                      // Support: Promises/A+ section 2.3.3.3.3
3756                                      // https://promisesaplus.com/#point-59
3757                                      // Ignore double-resolution attempts
3758                                      if ( depth < maxDepth ) {
3759                                          return;
3760                                      }
3761  
3762                                      returned = handler.apply( that, args );
3763  
3764                                      // Support: Promises/A+ section 2.3.1
3765                                      // https://promisesaplus.com/#point-48
3766                                      if ( returned === deferred.promise() ) {
3767                                          throw new TypeError( "Thenable self-resolution" );
3768                                      }
3769  
3770                                      // Support: Promises/A+ sections 2.3.3.1, 3.5
3771                                      // https://promisesaplus.com/#point-54
3772                                      // https://promisesaplus.com/#point-75
3773                                      // Retrieve `then` only once
3774                                      then = returned &&
3775  
3776                                          // Support: Promises/A+ section 2.3.4
3777                                          // https://promisesaplus.com/#point-64
3778                                          // Only check objects and functions for thenability
3779                                          ( typeof returned === "object" ||
3780                                              typeof returned === "function" ) &&
3781                                          returned.then;
3782  
3783                                      // Handle a returned thenable
3784                                      if ( isFunction( then ) ) {
3785  
3786                                          // Special processors (notify) just wait for resolution
3787                                          if ( special ) {
3788                                              then.call(
3789                                                  returned,
3790                                                  resolve( maxDepth, deferred, Identity, special ),
3791                                                  resolve( maxDepth, deferred, Thrower, special )
3792                                              );
3793  
3794                                          // Normal processors (resolve) also hook into progress
3795                                          } else {
3796  
3797                                              // ...and disregard older resolution values
3798                                              maxDepth++;
3799  
3800                                              then.call(
3801                                                  returned,
3802                                                  resolve( maxDepth, deferred, Identity, special ),
3803                                                  resolve( maxDepth, deferred, Thrower, special ),
3804                                                  resolve( maxDepth, deferred, Identity,
3805                                                      deferred.notifyWith )
3806                                              );
3807                                          }
3808  
3809                                      // Handle all other returned values
3810                                      } else {
3811  
3812                                          // Only substitute handlers pass on context
3813                                          // and multiple values (non-spec behavior)
3814                                          if ( handler !== Identity ) {
3815                                              that = undefined;
3816                                              args = [ returned ];
3817                                          }
3818  
3819                                          // Process the value(s)
3820                                          // Default process is resolve
3821                                          ( special || deferred.resolveWith )( that, args );
3822                                      }
3823                                  },
3824  
3825                                  // Only normal processors (resolve) catch and reject exceptions
3826                                  process = special ?
3827                                      mightThrow :
3828                                      function() {
3829                                          try {
3830                                              mightThrow();
3831                                          } catch ( e ) {
3832  
3833                                              if ( jQuery.Deferred.exceptionHook ) {
3834                                                  jQuery.Deferred.exceptionHook( e,
3835                                                      process.stackTrace );
3836                                              }
3837  
3838                                              // Support: Promises/A+ section 2.3.3.3.4.1
3839                                              // https://promisesaplus.com/#point-61
3840                                              // Ignore post-resolution exceptions
3841                                              if ( depth + 1 >= maxDepth ) {
3842  
3843                                                  // Only substitute handlers pass on context
3844                                                  // and multiple values (non-spec behavior)
3845                                                  if ( handler !== Thrower ) {
3846                                                      that = undefined;
3847                                                      args = [ e ];
3848                                                  }
3849  
3850                                                  deferred.rejectWith( that, args );
3851                                              }
3852                                          }
3853                                      };
3854  
3855                              // Support: Promises/A+ section 2.3.3.3.1
3856                              // https://promisesaplus.com/#point-57
3857                              // Re-resolve promises immediately to dodge false rejection from
3858                              // subsequent errors
3859                              if ( depth ) {
3860                                  process();
3861                              } else {
3862  
3863                                  // Call an optional hook to record the stack, in case of exception
3864                                  // since it's otherwise lost when execution goes async
3865                                  if ( jQuery.Deferred.getStackHook ) {
3866                                      process.stackTrace = jQuery.Deferred.getStackHook();
3867                                  }
3868                                  window.setTimeout( process );
3869                              }
3870                          };
3871                      }
3872  
3873                      return jQuery.Deferred( function( newDefer ) {
3874  
3875                          // progress_handlers.add( ... )
3876                          tuples[ 0 ][ 3 ].add(
3877                              resolve(
3878                                  0,
3879                                  newDefer,
3880                                  isFunction( onProgress ) ?
3881                                      onProgress :
3882                                      Identity,
3883                                  newDefer.notifyWith
3884                              )
3885                          );
3886  
3887                          // fulfilled_handlers.add( ... )
3888                          tuples[ 1 ][ 3 ].add(
3889                              resolve(
3890                                  0,
3891                                  newDefer,
3892                                  isFunction( onFulfilled ) ?
3893                                      onFulfilled :
3894                                      Identity
3895                              )
3896                          );
3897  
3898                          // rejected_handlers.add( ... )
3899                          tuples[ 2 ][ 3 ].add(
3900                              resolve(
3901                                  0,
3902                                  newDefer,
3903                                  isFunction( onRejected ) ?
3904                                      onRejected :
3905                                      Thrower
3906                              )
3907                          );
3908                      } ).promise();
3909                  },
3910  
3911                  // Get a promise for this deferred
3912                  // If obj is provided, the promise aspect is added to the object
3913                  promise: function( obj ) {
3914                      return obj != null ? jQuery.extend( obj, promise ) : promise;
3915                  }
3916              },
3917              deferred = {};
3918  
3919          // Add list-specific methods
3920          jQuery.each( tuples, function( i, tuple ) {
3921              var list = tuple[ 2 ],
3922                  stateString = tuple[ 5 ];
3923  
3924              // promise.progress = list.add
3925              // promise.done = list.add
3926              // promise.fail = list.add
3927              promise[ tuple[ 1 ] ] = list.add;
3928  
3929              // Handle state
3930              if ( stateString ) {
3931                  list.add(
3932                      function() {
3933  
3934                          // state = "resolved" (i.e., fulfilled)
3935                          // state = "rejected"
3936                          state = stateString;
3937                      },
3938  
3939                      // rejected_callbacks.disable
3940                      // fulfilled_callbacks.disable
3941                      tuples[ 3 - i ][ 2 ].disable,
3942  
3943                      // rejected_handlers.disable
3944                      // fulfilled_handlers.disable
3945                      tuples[ 3 - i ][ 3 ].disable,
3946  
3947                      // progress_callbacks.lock
3948                      tuples[ 0 ][ 2 ].lock,
3949  
3950                      // progress_handlers.lock
3951                      tuples[ 0 ][ 3 ].lock
3952                  );
3953              }
3954  
3955              // progress_handlers.fire
3956              // fulfilled_handlers.fire
3957              // rejected_handlers.fire
3958              list.add( tuple[ 3 ].fire );
3959  
3960              // deferred.notify = function() { deferred.notifyWith(...) }
3961              // deferred.resolve = function() { deferred.resolveWith(...) }
3962              // deferred.reject = function() { deferred.rejectWith(...) }
3963              deferred[ tuple[ 0 ] ] = function() {
3964                  deferred[ tuple[ 0 ] + "With" ]( this === deferred ? undefined : this, arguments );
3965                  return this;
3966              };
3967  
3968              // deferred.notifyWith = list.fireWith
3969              // deferred.resolveWith = list.fireWith
3970              // deferred.rejectWith = list.fireWith
3971              deferred[ tuple[ 0 ] + "With" ] = list.fireWith;
3972          } );
3973  
3974          // Make the deferred a promise
3975          promise.promise( deferred );
3976  
3977          // Call given func if any
3978          if ( func ) {
3979              func.call( deferred, deferred );
3980          }
3981  
3982          // All done!
3983          return deferred;
3984      },
3985  
3986      // Deferred helper
3987      when: function( singleValue ) {
3988          var
3989  
3990              // count of uncompleted subordinates
3991              remaining = arguments.length,
3992  
3993              // count of unprocessed arguments
3994              i = remaining,
3995  
3996              // subordinate fulfillment data
3997              resolveContexts = Array( i ),
3998              resolveValues = slice.call( arguments ),
3999  
4000              // the master Deferred
4001              master = jQuery.Deferred(),
4002  
4003              // subordinate callback factory
4004              updateFunc = function( i ) {
4005                  return function( value ) {
4006                      resolveContexts[ i ] = this;
4007                      resolveValues[ i ] = arguments.length > 1 ? slice.call( arguments ) : value;
4008                      if ( !( --remaining ) ) {
4009                          master.resolveWith( resolveContexts, resolveValues );
4010                      }
4011                  };
4012              };
4013  
4014          // Single- and empty arguments are adopted like Promise.resolve
4015          if ( remaining <= 1 ) {
4016              adoptValue( singleValue, master.done( updateFunc( i ) ).resolve, master.reject,
4017                  !remaining );
4018  
4019              // Use .then() to unwrap secondary thenables (cf. gh-3000)
4020              if ( master.state() === "pending" ||
4021                  isFunction( resolveValues[ i ] && resolveValues[ i ].then ) ) {
4022  
4023                  return master.then();
4024              }
4025          }
4026  
4027          // Multiple arguments are aggregated like Promise.all array elements
4028          while ( i-- ) {
4029              adoptValue( resolveValues[ i ], updateFunc( i ), master.reject );
4030          }
4031  
4032          return master.promise();
4033      }
4034  } );
4035  
4036  
4037  // These usually indicate a programmer mistake during development,
4038  // warn about them ASAP rather than swallowing them by default.
4039  var rerrorNames = /^(Eval|Internal|Range|Reference|Syntax|Type|URI)Error$/;
4040  
4041  jQuery.Deferred.exceptionHook = function( error, stack ) {
4042  
4043      // Support: IE 8 - 9 only
4044      // Console exists when dev tools are open, which can happen at any time
4045      if ( window.console && window.console.warn && error && rerrorNames.test( error.name ) ) {
4046          window.console.warn( "jQuery.Deferred exception: " + error.message, error.stack, stack );
4047      }
4048  };
4049  
4050  
4051  
4052  
4053  jQuery.readyException = function( error ) {
4054      window.setTimeout( function() {
4055          throw error;
4056      } );
4057  };
4058  
4059  
4060  
4061  
4062  // The deferred used on DOM ready
4063  var readyList = jQuery.Deferred();
4064  
4065  jQuery.fn.ready = function( fn ) {
4066  
4067      readyList
4068          .then( fn )
4069  
4070          // Wrap jQuery.readyException in a function so that the lookup
4071          // happens at the time of error handling instead of callback
4072          // registration.
4073          .catch( function( error ) {
4074              jQuery.readyException( error );
4075          } );
4076  
4077      return this;
4078  };
4079  
4080  jQuery.extend( {
4081  
4082      // Is the DOM ready to be used? Set to true once it occurs.
4083      isReady: false,
4084  
4085      // A counter to track how many items to wait for before
4086      // the ready event fires. See #6781
4087      readyWait: 1,
4088  
4089      // Handle when the DOM is ready
4090      ready: function( wait ) {
4091  
4092          // Abort if there are pending holds or we're already ready
4093          if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) {
4094              return;
4095          }
4096  
4097          // Remember that the DOM is ready
4098          jQuery.isReady = true;
4099  
4100          // If a normal DOM Ready event fired, decrement, and wait if need be
4101          if ( wait !== true && --jQuery.readyWait > 0 ) {
4102              return;
4103          }
4104  
4105          // If there are functions bound, to execute
4106          readyList.resolveWith( document, [ jQuery ] );
4107      }
4108  } );
4109  
4110  jQuery.ready.then = readyList.then;
4111  
4112  // The ready event handler and self cleanup method
4113  function completed() {
4114      document.removeEventListener( "DOMContentLoaded", completed );
4115      window.removeEventListener( "load", completed );
4116      jQuery.ready();
4117  }
4118  
4119  // Catch cases where $(document).ready() is called
4120  // after the browser event has already occurred.
4121  // Support: IE <=9 - 10 only
4122  // Older IE sometimes signals "interactive" too soon
4123  if ( document.readyState === "complete" ||
4124      ( document.readyState !== "loading" && !document.documentElement.doScroll ) ) {
4125  
4126      // Handle it asynchronously to allow scripts the opportunity to delay ready
4127      window.setTimeout( jQuery.ready );
4128  
4129  } else {
4130  
4131      // Use the handy event callback
4132      document.addEventListener( "DOMContentLoaded", completed );
4133  
4134      // A fallback to window.onload, that will always work
4135      window.addEventListener( "load", completed );
4136  }
4137  
4138  
4139  
4140  
4141  // Multifunctional method to get and set values of a collection
4142  // The value/s can optionally be executed if it's a function
4143  var access = function( elems, fn, key, value, chainable, emptyGet, raw ) {
4144      var i = 0,
4145          len = elems.length,
4146          bulk = key == null;
4147  
4148      // Sets many values
4149      if ( toType( key ) === "object" ) {
4150          chainable = true;
4151          for ( i in key ) {
4152              access( elems, fn, i, key[ i ], true, emptyGet, raw );
4153          }
4154  
4155      // Sets one value
4156      } else if ( value !== undefined ) {
4157          chainable = true;
4158  
4159          if ( !isFunction( value ) ) {
4160              raw = true;
4161          }
4162  
4163          if ( bulk ) {
4164  
4165              // Bulk operations run against the entire set
4166              if ( raw ) {
4167                  fn.call( elems, value );
4168                  fn = null;
4169  
4170              // ...except when executing function values
4171              } else {
4172                  bulk = fn;
4173                  fn = function( elem, _key, value ) {
4174                      return bulk.call( jQuery( elem ), value );
4175                  };
4176              }
4177          }
4178  
4179          if ( fn ) {
4180              for ( ; i < len; i++ ) {
4181                  fn(
4182                      elems[ i ], key, raw ?
4183                      value :
4184                      value.call( elems[ i ], i, fn( elems[ i ], key ) )
4185                  );
4186              }
4187          }
4188      }
4189  
4190      if ( chainable ) {
4191          return elems;
4192      }
4193  
4194      // Gets
4195      if ( bulk ) {
4196          return fn.call( elems );
4197      }
4198  
4199      return len ? fn( elems[ 0 ], key ) : emptyGet;
4200  };
4201  
4202  
4203  // Matches dashed string for camelizing
4204  var rmsPrefix = /^-ms-/,
4205      rdashAlpha = /-([a-z])/g;
4206  
4207  // Used by camelCase as callback to replace()
4208  function fcamelCase( _all, letter ) {
4209      return letter.toUpperCase();
4210  }
4211  
4212  // Convert dashed to camelCase; used by the css and data modules
4213  // Support: IE <=9 - 11, Edge 12 - 15
4214  // Microsoft forgot to hump their vendor prefix (#9572)
4215  function camelCase( string ) {
4216      return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase );
4217  }
4218  var acceptData = function( owner ) {
4219  
4220      // Accepts only:
4221      //  - Node
4222      //    - Node.ELEMENT_NODE
4223      //    - Node.DOCUMENT_NODE
4224      //  - Object
4225      //    - Any
4226      return owner.nodeType === 1 || owner.nodeType === 9 || !( +owner.nodeType );
4227  };
4228  
4229  
4230  
4231  
4232  function Data() {
4233      this.expando = jQuery.expando + Data.uid++;
4234  }
4235  
4236  Data.uid = 1;
4237  
4238  Data.prototype = {
4239  
4240      cache: function( owner ) {
4241  
4242          // Check if the owner object already has a cache
4243          var value = owner[ this.expando ];
4244  
4245          // If not, create one
4246          if ( !value ) {
4247              value = {};
4248  
4249              // We can accept data for non-element nodes in modern browsers,
4250              // but we should not, see #8335.
4251              // Always return an empty object.
4252              if ( acceptData( owner ) ) {
4253  
4254                  // If it is a node unlikely to be stringify-ed or looped over
4255                  // use plain assignment
4256                  if ( owner.nodeType ) {
4257                      owner[ this.expando ] = value;
4258  
4259                  // Otherwise secure it in a non-enumerable property
4260                  // configurable must be true to allow the property to be
4261                  // deleted when data is removed
4262                  } else {
4263                      Object.defineProperty( owner, this.expando, {
4264                          value: value,
4265                          configurable: true
4266                      } );
4267                  }
4268              }
4269          }
4270  
4271          return value;
4272      },
4273      set: function( owner, data, value ) {
4274          var prop,
4275              cache = this.cache( owner );
4276  
4277          // Handle: [ owner, key, value ] args
4278          // Always use camelCase key (gh-2257)
4279          if ( typeof data === "string" ) {
4280              cache[ camelCase( data ) ] = value;
4281  
4282          // Handle: [ owner, { properties } ] args
4283          } else {
4284  
4285              // Copy the properties one-by-one to the cache object
4286              for ( prop in data ) {
4287                  cache[ camelCase( prop ) ] = data[ prop ];
4288              }
4289          }
4290          return cache;
4291      },
4292      get: function( owner, key ) {
4293          return key === undefined ?
4294              this.cache( owner ) :
4295  
4296              // Always use camelCase key (gh-2257)
4297              owner[ this.expando ] && owner[ this.expando ][ camelCase( key ) ];
4298      },
4299      access: function( owner, key, value ) {
4300  
4301          // In cases where either:
4302          //
4303          //   1. No key was specified
4304          //   2. A string key was specified, but no value provided
4305          //
4306          // Take the "read" path and allow the get method to determine
4307          // which value to return, respectively either:
4308          //
4309          //   1. The entire cache object
4310          //   2. The data stored at the key
4311          //
4312          if ( key === undefined ||
4313                  ( ( key && typeof key === "string" ) && value === undefined ) ) {
4314  
4315              return this.get( owner, key );
4316          }
4317  
4318          // When the key is not a string, or both a key and value
4319          // are specified, set or extend (existing objects) with either:
4320          //
4321          //   1. An object of properties
4322          //   2. A key and value
4323          //
4324          this.set( owner, key, value );
4325  
4326          // Since the "set" path can have two possible entry points
4327          // return the expected data based on which path was taken[*]
4328          return value !== undefined ? value : key;
4329      },
4330      remove: function( owner, key ) {
4331          var i,
4332              cache = owner[ this.expando ];
4333  
4334          if ( cache === undefined ) {
4335              return;
4336          }
4337  
4338          if ( key !== undefined ) {
4339  
4340              // Support array or space separated string of keys
4341              if ( Array.isArray( key ) ) {
4342  
4343                  // If key is an array of keys...
4344                  // We always set camelCase keys, so remove that.
4345                  key = key.map( camelCase );
4346              } else {
4347                  key = camelCase( key );
4348  
4349                  // If a key with the spaces exists, use it.
4350                  // Otherwise, create an array by matching non-whitespace
4351                  key = key in cache ?
4352                      [ key ] :
4353                      ( key.match( rnothtmlwhite ) || [] );
4354              }
4355  
4356              i = key.length;
4357  
4358              while ( i-- ) {
4359                  delete cache[ key[ i ] ];
4360              }
4361          }
4362  
4363          // Remove the expando if there's no more data
4364          if ( key === undefined || jQuery.isEmptyObject( cache ) ) {
4365  
4366              // Support: Chrome <=35 - 45
4367              // Webkit & Blink performance suffers when deleting properties
4368              // from DOM nodes, so set to undefined instead
4369              // https://bugs.chromium.org/p/chromium/issues/detail?id=378607 (bug restricted)
4370              if ( owner.nodeType ) {
4371                  owner[ this.expando ] = undefined;
4372              } else {
4373                  delete owner[ this.expando ];
4374              }
4375          }
4376      },
4377      hasData: function( owner ) {
4378          var cache = owner[ this.expando ];
4379          return cache !== undefined && !jQuery.isEmptyObject( cache );
4380      }
4381  };
4382  var dataPriv = new Data();
4383  
4384  var dataUser = new Data();
4385  
4386  
4387  
4388  //    Implementation Summary
4389  //
4390  //    1. Enforce API surface and semantic compatibility with 1.9.x branch
4391  //    2. Improve the module's maintainability by reducing the storage
4392  //        paths to a single mechanism.
4393  //    3. Use the same single mechanism to support "private" and "user" data.
4394  //    4. _Never_ expose "private" data to user code (TODO: Drop _data, _removeData)
4395  //    5. Avoid exposing implementation details on user objects (eg. expando properties)
4396  //    6. Provide a clear path for implementation upgrade to WeakMap in 2014
4397  
4398  var rbrace = /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/,
4399      rmultiDash = /[A-Z]/g;
4400  
4401  function getData( data ) {
4402      if ( data === "true" ) {
4403          return true;
4404      }
4405  
4406      if ( data === "false" ) {
4407          return false;
4408      }
4409  
4410      if ( data === "null" ) {
4411          return null;
4412      }
4413  
4414      // Only convert to a number if it doesn't change the string
4415      if ( data === +data + "" ) {
4416          return +data;
4417      }
4418  
4419      if ( rbrace.test( data ) ) {
4420          return JSON.parse( data );
4421      }
4422  
4423      return data;
4424  }
4425  
4426  function dataAttr( elem, key, data ) {
4427      var name;
4428  
4429      // If nothing was found internally, try to fetch any
4430      // data from the HTML5 data-* attribute
4431      if ( data === undefined && elem.nodeType === 1 ) {
4432          name = "data-" + key.replace( rmultiDash, "-$&" ).toLowerCase();
4433          data = elem.getAttribute( name );
4434  
4435          if ( typeof data === "string" ) {
4436              try {
4437                  data = getData( data );
4438              } catch ( e ) {}
4439  
4440              // Make sure we set the data so it isn't changed later
4441              dataUser.set( elem, key, data );
4442          } else {
4443              data = undefined;
4444          }
4445      }
4446      return data;
4447  }
4448  
4449  jQuery.extend( {
4450      hasData: function( elem ) {
4451          return dataUser.hasData( elem ) || dataPriv.hasData( elem );
4452      },
4453  
4454      data: function( elem, name, data ) {
4455          return dataUser.access( elem, name, data );
4456      },
4457  
4458      removeData: function( elem, name ) {
4459          dataUser.remove( elem, name );
4460      },
4461  
4462      // TODO: Now that all calls to _data and _removeData have been replaced
4463      // with direct calls to dataPriv methods, these can be deprecated.
4464      _data: function( elem, name, data ) {
4465          return dataPriv.access( elem, name, data );
4466      },
4467  
4468      _removeData: function( elem, name ) {
4469          dataPriv.remove( elem, name );
4470      }
4471  } );
4472  
4473  jQuery.fn.extend( {
4474      data: function( key, value ) {
4475          var i, name, data,
4476              elem = this[ 0 ],
4477              attrs = elem && elem.attributes;
4478  
4479          // Gets all values
4480          if ( key === undefined ) {
4481              if ( this.length ) {
4482                  data = dataUser.get( elem );
4483  
4484                  if ( elem.nodeType === 1 && !dataPriv.get( elem, "hasDataAttrs" ) ) {
4485                      i = attrs.length;
4486                      while ( i-- ) {
4487  
4488                          // Support: IE 11 only
4489                          // The attrs elements can be null (#14894)
4490                          if ( attrs[ i ] ) {
4491                              name = attrs[ i ].name;
4492                              if ( name.indexOf( "data-" ) === 0 ) {
4493                                  name = camelCase( name.slice( 5 ) );
4494                                  dataAttr( elem, name, data[ name ] );
4495                              }
4496                          }
4497                      }
4498                      dataPriv.set( elem, "hasDataAttrs", true );
4499                  }
4500              }
4501  
4502              return data;
4503          }
4504  
4505          // Sets multiple values
4506          if ( typeof key === "object" ) {
4507              return this.each( function() {
4508                  dataUser.set( this, key );
4509              } );
4510          }
4511  
4512          return access( this, function( value ) {
4513              var data;
4514  
4515              // The calling jQuery object (element matches) is not empty
4516              // (and therefore has an element appears at this[ 0 ]) and the
4517              // `value` parameter was not undefined. An empty jQuery object
4518              // will result in `undefined` for elem = this[ 0 ] which will
4519              // throw an exception if an attempt to read a data cache is made.
4520              if ( elem && value === undefined ) {
4521  
4522                  // Attempt to get data from the cache
4523                  // The key will always be camelCased in Data
4524                  data = dataUser.get( elem, key );
4525                  if ( data !== undefined ) {
4526                      return data;
4527                  }
4528  
4529                  // Attempt to "discover" the data in
4530                  // HTML5 custom data-* attrs
4531                  data = dataAttr( elem, key );
4532                  if ( data !== undefined ) {
4533                      return data;
4534                  }
4535  
4536                  // We tried really hard, but the data doesn't exist.
4537                  return;
4538              }
4539  
4540              // Set the data...
4541              this.each( function() {
4542  
4543                  // We always store the camelCased key
4544                  dataUser.set( this, key, value );
4545              } );
4546          }, null, value, arguments.length > 1, null, true );
4547      },
4548  
4549      removeData: function( key ) {
4550          return this.each( function() {
4551              dataUser.remove( this, key );
4552          } );
4553      }
4554  } );
4555  
4556  
4557  jQuery.extend( {
4558      queue: function( elem, type, data ) {
4559          var queue;
4560  
4561          if ( elem ) {
4562              type = ( type || "fx" ) + "queue";
4563              queue = dataPriv.get( elem, type );
4564  
4565              // Speed up dequeue by getting out quickly if this is just a lookup
4566              if ( data ) {
4567                  if ( !queue || Array.isArray( data ) ) {
4568                      queue = dataPriv.access( elem, type, jQuery.makeArray( data ) );
4569                  } else {
4570                      queue.push( data );
4571                  }
4572              }
4573              return queue || [];
4574          }
4575      },
4576  
4577      dequeue: function( elem, type ) {
4578          type = type || "fx";
4579  
4580          var queue = jQuery.queue( elem, type ),
4581              startLength = queue.length,
4582              fn = queue.shift(),
4583              hooks = jQuery._queueHooks( elem, type ),
4584              next = function() {
4585                  jQuery.dequeue( elem, type );
4586              };
4587  
4588          // If the fx queue is dequeued, always remove the progress sentinel
4589          if ( fn === "inprogress" ) {
4590              fn = queue.shift();
4591              startLength--;
4592          }
4593  
4594          if ( fn ) {
4595  
4596              // Add a progress sentinel to prevent the fx queue from being
4597              // automatically dequeued
4598              if ( type === "fx" ) {
4599                  queue.unshift( "inprogress" );
4600              }
4601  
4602              // Clear up the last queue stop function
4603              delete hooks.stop;
4604              fn.call( elem, next, hooks );
4605          }
4606  
4607          if ( !startLength && hooks ) {
4608              hooks.empty.fire();
4609          }
4610      },
4611  
4612      // Not public - generate a queueHooks object, or return the current one
4613      _queueHooks: function( elem, type ) {
4614          var key = type + "queueHooks";
4615          return dataPriv.get( elem, key ) || dataPriv.access( elem, key, {
4616              empty: jQuery.Callbacks( "once memory" ).add( function() {
4617                  dataPriv.remove( elem, [ type + "queue", key ] );
4618              } )
4619          } );
4620      }
4621  } );
4622  
4623  jQuery.fn.extend( {
4624      queue: function( type, data ) {
4625          var setter = 2;
4626  
4627          if ( typeof type !== "string" ) {
4628              data = type;
4629              type = "fx";
4630              setter--;
4631          }
4632  
4633          if ( arguments.length < setter ) {
4634              return jQuery.queue( this[ 0 ], type );
4635          }
4636  
4637          return data === undefined ?
4638              this :
4639              this.each( function() {
4640                  var queue = jQuery.queue( this, type, data );
4641  
4642                  // Ensure a hooks for this queue
4643                  jQuery._queueHooks( this, type );
4644  
4645                  if ( type === "fx" && queue[ 0 ] !== "inprogress" ) {
4646                      jQuery.dequeue( this, type );
4647                  }
4648              } );
4649      },
4650      dequeue: function( type ) {
4651          return this.each( function() {
4652              jQuery.dequeue( this, type );
4653          } );
4654      },
4655      clearQueue: function( type ) {
4656          return this.queue( type || "fx", [] );
4657      },
4658  
4659      // Get a promise resolved when queues of a certain type
4660      // are emptied (fx is the type by default)
4661      promise: function( type, obj ) {
4662          var tmp,
4663              count = 1,
4664              defer = jQuery.Deferred(),
4665              elements = this,
4666              i = this.length,
4667              resolve = function() {
4668                  if ( !( --count ) ) {
4669                      defer.resolveWith( elements, [ elements ] );
4670                  }
4671              };
4672  
4673          if ( typeof type !== "string" ) {
4674              obj = type;
4675              type = undefined;
4676          }
4677          type = type || "fx";
4678  
4679          while ( i-- ) {
4680              tmp = dataPriv.get( elements[ i ], type + "queueHooks" );
4681              if ( tmp && tmp.empty ) {
4682                  count++;
4683                  tmp.empty.add( resolve );
4684              }
4685          }
4686          resolve();
4687          return defer.promise( obj );
4688      }
4689  } );
4690  var pnum = ( /[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/ ).source;
4691  
4692  var rcssNum = new RegExp( "^(?:([+-])=|)(" + pnum + ")([a-z%]*)$", "i" );
4693  
4694  
4695  var cssExpand = [ "Top", "Right", "Bottom", "Left" ];
4696  
4697  var documentElement = document.documentElement;
4698  
4699  
4700  
4701      var isAttached = function( elem ) {
4702              return jQuery.contains( elem.ownerDocument, elem );
4703          },
4704          composed = { composed: true };
4705  
4706      // Support: IE 9 - 11+, Edge 12 - 18+, iOS 10.0 - 10.2 only
4707      // Check attachment across shadow DOM boundaries when possible (gh-3504)
4708      // Support: iOS 10.0-10.2 only
4709      // Early iOS 10 versions support `attachShadow` but not `getRootNode`,
4710      // leading to errors. We need to check for `getRootNode`.
4711      if ( documentElement.getRootNode ) {
4712          isAttached = function( elem ) {
4713              return jQuery.contains( elem.ownerDocument, elem ) ||
4714                  elem.getRootNode( composed ) === elem.ownerDocument;
4715          };
4716      }
4717  var isHiddenWithinTree = function( elem, el ) {
4718  
4719          // isHiddenWithinTree might be called from jQuery#filter function;
4720          // in that case, element will be second argument
4721          elem = el || elem;
4722  
4723          // Inline style trumps all
4724          return elem.style.display === "none" ||
4725              elem.style.display === "" &&
4726  
4727              // Otherwise, check computed style
4728              // Support: Firefox <=43 - 45
4729              // Disconnected elements can have computed display: none, so first confirm that elem is
4730              // in the document.
4731              isAttached( elem ) &&
4732  
4733              jQuery.css( elem, "display" ) === "none";
4734      };
4735  
4736  
4737  
4738  function adjustCSS( elem, prop, valueParts, tween ) {
4739      var adjusted, scale,
4740          maxIterations = 20,
4741          currentValue = tween ?
4742              function() {
4743                  return tween.cur();
4744              } :
4745              function() {
4746                  return jQuery.css( elem, prop, "" );
4747              },
4748          initial = currentValue(),
4749          unit = valueParts && valueParts[ 3 ] || ( jQuery.cssNumber[ prop ] ? "" : "px" ),
4750  
4751          // Starting value computation is required for potential unit mismatches
4752          initialInUnit = elem.nodeType &&
4753              ( jQuery.cssNumber[ prop ] || unit !== "px" && +initial ) &&
4754              rcssNum.exec( jQuery.css( elem, prop ) );
4755  
4756      if ( initialInUnit && initialInUnit[ 3 ] !== unit ) {
4757  
4758          // Support: Firefox <=54
4759          // Halve the iteration target value to prevent interference from CSS upper bounds (gh-2144)
4760          initial = initial / 2;
4761  
4762          // Trust units reported by jQuery.css
4763          unit = unit || initialInUnit[ 3 ];
4764  
4765          // Iteratively approximate from a nonzero starting point
4766          initialInUnit = +initial || 1;
4767  
4768          while ( maxIterations-- ) {
4769  
4770              // Evaluate and update our best guess (doubling guesses that zero out).
4771              // Finish if the scale equals or crosses 1 (making the old*new product non-positive).
4772              jQuery.style( elem, prop, initialInUnit + unit );
4773              if ( ( 1 - scale ) * ( 1 - ( scale = currentValue() / initial || 0.5 ) ) <= 0 ) {
4774                  maxIterations = 0;
4775              }
4776              initialInUnit = initialInUnit / scale;
4777  
4778          }
4779  
4780          initialInUnit = initialInUnit * 2;
4781          jQuery.style( elem, prop, initialInUnit + unit );
4782  
4783          // Make sure we update the tween properties later on
4784          valueParts = valueParts || [];
4785      }
4786  
4787      if ( valueParts ) {
4788          initialInUnit = +initialInUnit || +initial || 0;
4789  
4790          // Apply relative offset (+=/-=) if specified
4791          adjusted = valueParts[ 1 ] ?
4792              initialInUnit + ( valueParts[ 1 ] + 1 ) * valueParts[ 2 ] :
4793              +valueParts[ 2 ];
4794          if ( tween ) {
4795              tween.unit = unit;
4796              tween.start = initialInUnit;
4797              tween.end = adjusted;
4798          }
4799      }
4800      return adjusted;
4801  }
4802  
4803  
4804  var defaultDisplayMap = {};
4805  
4806  function getDefaultDisplay( elem ) {
4807      var temp,
4808          doc = elem.ownerDocument,
4809          nodeName = elem.nodeName,
4810          display = defaultDisplayMap[ nodeName ];
4811  
4812      if ( display ) {
4813          return display;
4814      }
4815  
4816      temp = doc.body.appendChild( doc.createElement( nodeName ) );
4817      display = jQuery.css( temp, "display" );
4818  
4819      temp.parentNode.removeChild( temp );
4820  
4821      if ( display === "none" ) {
4822          display = "block";
4823      }
4824      defaultDisplayMap[ nodeName ] = display;
4825  
4826      return display;
4827  }
4828  
4829  function showHide( elements, show ) {
4830      var display, elem,
4831          values = [],
4832          index = 0,
4833          length = elements.length;
4834  
4835      // Determine new display value for elements that need to change
4836      for ( ; index < length; index++ ) {
4837          elem = elements[ index ];
4838          if ( !elem.style ) {
4839              continue;
4840          }
4841  
4842          display = elem.style.display;
4843          if ( show ) {
4844  
4845              // Since we force visibility upon cascade-hidden elements, an immediate (and slow)
4846              // check is required in this first loop unless we have a nonempty display value (either
4847              // inline or about-to-be-restored)
4848              if ( display === "none" ) {
4849                  values[ index ] = dataPriv.get( elem, "display" ) || null;
4850                  if ( !values[ index ] ) {
4851                      elem.style.display = "";
4852                  }
4853              }
4854              if ( elem.style.display === "" && isHiddenWithinTree( elem ) ) {
4855                  values[ index ] = getDefaultDisplay( elem );
4856              }
4857          } else {
4858              if ( display !== "none" ) {
4859                  values[ index ] = "none";
4860  
4861                  // Remember what we're overwriting
4862                  dataPriv.set( elem, "display", display );
4863              }
4864          }
4865      }
4866  
4867      // Set the display of the elements in a second loop to avoid constant reflow
4868      for ( index = 0; index < length; index++ ) {
4869          if ( values[ index ] != null ) {
4870              elements[ index ].style.display = values[ index ];
4871          }
4872      }
4873  
4874      return elements;
4875  }
4876  
4877  jQuery.fn.extend( {
4878      show: function() {
4879          return showHide( this, true );
4880      },
4881      hide: function() {
4882          return showHide( this );
4883      },
4884      toggle: function( state ) {
4885          if ( typeof state === "boolean" ) {
4886              return state ? this.show() : this.hide();
4887          }
4888  
4889          return this.each( function() {
4890              if ( isHiddenWithinTree( this ) ) {
4891                  jQuery( this ).show();
4892              } else {
4893                  jQuery( this ).hide();
4894              }
4895          } );
4896      }
4897  } );
4898  var rcheckableType = ( /^(?:checkbox|radio)$/i );
4899  
4900  var rtagName = ( /<([a-z][^\/\0>\x20\t\r\n\f]*)/i );
4901  
4902  var rscriptType = ( /^$|^module$|\/(?:java|ecma)script/i );
4903  
4904  
4905  
4906  ( function() {
4907      var fragment = document.createDocumentFragment(),
4908          div = fragment.appendChild( document.createElement( "div" ) ),
4909          input = document.createElement( "input" );
4910  
4911      // Support: Android 4.0 - 4.3 only
4912      // Check state lost if the name is set (#11217)
4913      // Support: Windows Web Apps (WWA)
4914      // `name` and `type` must use .setAttribute for WWA (#14901)
4915      input.setAttribute( "type", "radio" );
4916      input.setAttribute( "checked", "checked" );
4917      input.setAttribute( "name", "t" );
4918  
4919      div.appendChild( input );
4920  
4921      // Support: Android <=4.1 only
4922      // Older WebKit doesn't clone checked state correctly in fragments
4923      support.checkClone = div.cloneNode( true ).cloneNode( true ).lastChild.checked;
4924  
4925      // Support: IE <=11 only
4926      // Make sure textarea (and checkbox) defaultValue is properly cloned
4927      div.innerHTML = "<textarea>x</textarea>";
4928      support.noCloneChecked = !!div.cloneNode( true ).lastChild.defaultValue;
4929  
4930      // Support: IE <=9 only
4931      // IE <=9 replaces <option> tags with their contents when inserted outside of
4932      // the select element.
4933      div.innerHTML = "<option></option>";
4934      support.option = !!div.lastChild;
4935  } )();
4936  
4937  
4938  // We have to close these tags to support XHTML (#13200)
4939  var wrapMap = {
4940  
4941      // XHTML parsers do not magically insert elements in the
4942      // same way that tag soup parsers do. So we cannot shorten
4943      // this by omitting <tbody> or other required elements.
4944      thead: [ 1, "<table>", "</table>" ],
4945      col: [ 2, "<table><colgroup>", "</colgroup></table>" ],
4946      tr: [ 2, "<table><tbody>", "</tbody></table>" ],
4947      td: [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ],
4948  
4949      _default: [ 0, "", "" ]
4950  };
4951  
4952  wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead;
4953  wrapMap.th = wrapMap.td;
4954  
4955  // Support: IE <=9 only
4956  if ( !support.option ) {
4957      wrapMap.optgroup = wrapMap.option = [ 1, "<select multiple='multiple'>", "</select>" ];
4958  }
4959  
4960  
4961  function getAll( context, tag ) {
4962  
4963      // Support: IE <=9 - 11 only
4964      // Use typeof to avoid zero-argument method invocation on host objects (#15151)
4965      var ret;
4966  
4967      if ( typeof context.getElementsByTagName !== "undefined" ) {
4968          ret = context.getElementsByTagName( tag || "*" );
4969  
4970      } else if ( typeof context.querySelectorAll !== "undefined" ) {
4971          ret = context.querySelectorAll( tag || "*" );
4972  
4973      } else {
4974          ret = [];
4975      }
4976  
4977      if ( tag === undefined || tag && nodeName( context, tag ) ) {
4978          return jQuery.merge( [ context ], ret );
4979      }
4980  
4981      return ret;
4982  }
4983  
4984  
4985  // Mark scripts as having already been evaluated
4986  function setGlobalEval( elems, refElements ) {
4987      var i = 0,
4988          l = elems.length;
4989  
4990      for ( ; i < l; i++ ) {
4991          dataPriv.set(
4992              elems[ i ],
4993              "globalEval",
4994              !refElements || dataPriv.get( refElements[ i ], "globalEval" )
4995          );
4996      }
4997  }
4998  
4999  
5000  var rhtml = /<|&#?\w+;/;
5001  
5002  function buildFragment( elems, context, scripts, selection, ignored ) {
5003      var elem, tmp, tag, wrap, attached, j,
5004          fragment = context.createDocumentFragment(),
5005          nodes = [],
5006          i = 0,
5007          l = elems.length;
5008  
5009      for ( ; i < l; i++ ) {
5010          elem = elems[ i ];
5011  
5012          if ( elem || elem === 0 ) {
5013  
5014              // Add nodes directly
5015              if ( toType( elem ) === "object" ) {
5016  
5017                  // Support: Android <=4.0 only, PhantomJS 1 only
5018                  // push.apply(_, arraylike) throws on ancient WebKit
5019                  jQuery.merge( nodes, elem.nodeType ? [ elem ] : elem );
5020  
5021              // Convert non-html into a text node
5022              } else if ( !rhtml.test( elem ) ) {
5023                  nodes.push( context.createTextNode( elem ) );
5024  
5025              // Convert html into DOM nodes
5026              } else {
5027                  tmp = tmp || fragment.appendChild( context.createElement( "div" ) );
5028  
5029                  // Deserialize a standard representation
5030                  tag = ( rtagName.exec( elem ) || [ "", "" ] )[ 1 ].toLowerCase();
5031                  wrap = wrapMap[ tag ] || wrapMap._default;
5032                  tmp.innerHTML = wrap[ 1 ] + jQuery.htmlPrefilter( elem ) + wrap[ 2 ];
5033  
5034                  // Descend through wrappers to the right content
5035                  j = wrap[ 0 ];
5036                  while ( j-- ) {
5037                      tmp = tmp.lastChild;
5038                  }
5039  
5040                  // Support: Android <=4.0 only, PhantomJS 1 only
5041                  // push.apply(_, arraylike) throws on ancient WebKit
5042                  jQuery.merge( nodes, tmp.childNodes );
5043  
5044                  // Remember the top-level container
5045                  tmp = fragment.firstChild;
5046  
5047                  // Ensure the created nodes are orphaned (#12392)
5048                  tmp.textContent = "";
5049              }
5050          }
5051      }
5052  
5053      // Remove wrapper from fragment
5054      fragment.textContent = "";
5055  
5056      i = 0;
5057      while ( ( elem = nodes[ i++ ] ) ) {
5058  
5059          // Skip elements already in the context collection (trac-4087)
5060          if ( selection && jQuery.inArray( elem, selection ) > -1 ) {
5061              if ( ignored ) {
5062                  ignored.push( elem );
5063              }
5064              continue;
5065          }
5066  
5067          attached = isAttached( elem );
5068  
5069          // Append to fragment
5070          tmp = getAll( fragment.appendChild( elem ), "script" );
5071  
5072          // Preserve script evaluation history
5073          if ( attached ) {
5074              setGlobalEval( tmp );
5075          }
5076  
5077          // Capture executables
5078          if ( scripts ) {
5079              j = 0;
5080              while ( ( elem = tmp[ j++ ] ) ) {
5081                  if ( rscriptType.test( elem.type || "" ) ) {
5082                      scripts.push( elem );
5083                  }
5084              }
5085          }
5086      }
5087  
5088      return fragment;
5089  }
5090  
5091  
5092  var
5093      rkeyEvent = /^key/,
5094      rmouseEvent = /^(?:mouse|pointer|contextmenu|drag|drop)|click/,
5095      rtypenamespace = /^([^.]*)(?:\.(.+)|)/;
5096  
5097  function returnTrue() {
5098      return true;
5099  }
5100  
5101  function returnFalse() {
5102      return false;
5103  }
5104  
5105  // Support: IE <=9 - 11+
5106  // focus() and blur() are asynchronous, except when they are no-op.
5107  // So expect focus to be synchronous when the element is already active,
5108  // and blur to be synchronous when the element is not already active.
5109  // (focus and blur are always synchronous in other supported browsers,
5110  // this just defines when we can count on it).
5111  function expectSync( elem, type ) {
5112      return ( elem === safeActiveElement() ) === ( type === "focus" );
5113  }
5114  
5115  // Support: IE <=9 only
5116  // Accessing document.activeElement can throw unexpectedly
5117  // https://bugs.jquery.com/ticket/13393
5118  function safeActiveElement() {
5119      try {
5120          return document.activeElement;
5121      } catch ( err ) { }
5122  }
5123  
5124  function on( elem, types, selector, data, fn, one ) {
5125      var origFn, type;
5126  
5127      // Types can be a map of types/handlers
5128      if ( typeof types === "object" ) {
5129  
5130          // ( types-Object, selector, data )
5131          if ( typeof selector !== "string" ) {
5132  
5133              // ( types-Object, data )
5134              data = data || selector;
5135              selector = undefined;
5136          }
5137          for ( type in types ) {
5138              on( elem, type, selector, data, types[ type ], one );
5139          }
5140          return elem;
5141      }
5142  
5143      if ( data == null && fn == null ) {
5144  
5145          // ( types, fn )
5146          fn = selector;
5147          data = selector = undefined;
5148      } else if ( fn == null ) {
5149          if ( typeof selector === "string" ) {
5150  
5151              // ( types, selector, fn )
5152              fn = data;
5153              data = undefined;
5154          } else {
5155  
5156              // ( types, data, fn )
5157              fn = data;
5158              data = selector;
5159              selector = undefined;
5160          }
5161      }
5162      if ( fn === false ) {
5163          fn = returnFalse;
5164      } else if ( !fn ) {
5165          return elem;
5166      }
5167  
5168      if ( one === 1 ) {
5169          origFn = fn;
5170          fn = function( event ) {
5171  
5172              // Can use an empty set, since event contains the info
5173              jQuery().off( event );
5174              return origFn.apply( this, arguments );
5175          };
5176  
5177          // Use same guid so caller can remove using origFn
5178          fn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ );
5179      }
5180      return elem.each( function() {
5181          jQuery.event.add( this, types, fn, data, selector );
5182      } );
5183  }
5184  
5185  /*
5186   * Helper functions for managing events -- not part of the public interface.
5187   * Props to Dean Edwards' addEvent library for many of the ideas.
5188   */
5189  jQuery.event = {
5190  
5191      global: {},
5192  
5193      add: function( elem, types, handler, data, selector ) {
5194  
5195          var handleObjIn, eventHandle, tmp,
5196              events, t, handleObj,
5197              special, handlers, type, namespaces, origType,
5198              elemData = dataPriv.get( elem );
5199  
5200          // Only attach events to objects that accept data
5201          if ( !acceptData( elem ) ) {
5202              return;
5203          }
5204  
5205          // Caller can pass in an object of custom data in lieu of the handler
5206          if ( handler.handler ) {
5207              handleObjIn = handler;
5208              handler = handleObjIn.handler;
5209              selector = handleObjIn.selector;
5210          }
5211  
5212          // Ensure that invalid selectors throw exceptions at attach time
5213          // Evaluate against documentElement in case elem is a non-element node (e.g., document)
5214          if ( selector ) {
5215              jQuery.find.matchesSelector( documentElement, selector );
5216          }
5217  
5218          // Make sure that the handler has a unique ID, used to find/remove it later
5219          if ( !handler.guid ) {
5220              handler.guid = jQuery.guid++;
5221          }
5222  
5223          // Init the element's event structure and main handler, if this is the first
5224          if ( !( events = elemData.events ) ) {
5225              events = elemData.events = Object.create( null );
5226          }
5227          if ( !( eventHandle = elemData.handle ) ) {
5228              eventHandle = elemData.handle = function( e ) {
5229  
5230                  // Discard the second event of a jQuery.event.trigger() and
5231                  // when an event is called after a page has unloaded
5232                  return typeof jQuery !== "undefined" && jQuery.event.triggered !== e.type ?
5233                      jQuery.event.dispatch.apply( elem, arguments ) : undefined;
5234              };
5235          }
5236  
5237          // Handle multiple events separated by a space
5238          types = ( types || "" ).match( rnothtmlwhite ) || [ "" ];
5239          t = types.length;
5240          while ( t-- ) {
5241              tmp = rtypenamespace.exec( types[ t ] ) || [];
5242              type = origType = tmp[ 1 ];
5243              namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort();
5244  
5245              // There *must* be a type, no attaching namespace-only handlers
5246              if ( !type ) {
5247                  continue;
5248              }
5249  
5250              // If event changes its type, use the special event handlers for the changed type
5251              special = jQuery.event.special[ type ] || {};
5252  
5253              // If selector defined, determine special event api type, otherwise given type
5254              type = ( selector ? special.delegateType : special.bindType ) || type;
5255  
5256              // Update special based on newly reset type
5257              special = jQuery.event.special[ type ] || {};
5258  
5259              // handleObj is passed to all event handlers
5260              handleObj = jQuery.extend( {
5261                  type: type,
5262                  origType: origType,
5263                  data: data,
5264                  handler: handler,
5265                  guid: handler.guid,
5266                  selector: selector,
5267                  needsContext: selector && jQuery.expr.match.needsContext.test( selector ),
5268                  namespace: namespaces.join( "." )
5269              }, handleObjIn );
5270  
5271              // Init the event handler queue if we're the first
5272              if ( !( handlers = events[ type ] ) ) {
5273                  handlers = events[ type ] = [];
5274                  handlers.delegateCount = 0;
5275  
5276                  // Only use addEventListener if the special events handler returns false
5277                  if ( !special.setup ||
5278                      special.setup.call( elem, data, namespaces, eventHandle ) === false ) {
5279  
5280                      if ( elem.addEventListener ) {
5281                          elem.addEventListener( type, eventHandle );
5282                      }
5283                  }
5284              }
5285  
5286              if ( special.add ) {
5287                  special.add.call( elem, handleObj );
5288  
5289                  if ( !handleObj.handler.guid ) {
5290                      handleObj.handler.guid = handler.guid;
5291                  }
5292              }
5293  
5294              // Add to the element's handler list, delegates in front
5295              if ( selector ) {
5296                  handlers.splice( handlers.delegateCount++, 0, handleObj );
5297              } else {
5298                  handlers.push( handleObj );
5299              }
5300  
5301              // Keep track of which events have ever been used, for event optimization
5302              jQuery.event.global[ type ] = true;
5303          }
5304  
5305      },
5306  
5307      // Detach an event or set of events from an element
5308      remove: function( elem, types, handler, selector, mappedTypes ) {
5309  
5310          var j, origCount, tmp,
5311              events, t, handleObj,
5312              special, handlers, type, namespaces, origType,
5313              elemData = dataPriv.hasData( elem ) && dataPriv.get( elem );
5314  
5315          if ( !elemData || !( events = elemData.events ) ) {
5316              return;
5317          }
5318  
5319          // Once for each type.namespace in types; type may be omitted
5320          types = ( types || "" ).match( rnothtmlwhite ) || [ "" ];
5321          t = types.length;
5322          while ( t-- ) {
5323              tmp = rtypenamespace.exec( types[ t ] ) || [];
5324              type = origType = tmp[ 1 ];
5325              namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort();
5326  
5327              // Unbind all events (on this namespace, if provided) for the element
5328              if ( !type ) {
5329                  for ( type in events ) {
5330                      jQuery.event.remove( elem, type + types[ t ], handler, selector, true );
5331                  }
5332                  continue;
5333              }
5334  
5335              special = jQuery.event.special[ type ] || {};
5336              type = ( selector ? special.delegateType : special.bindType ) || type;
5337              handlers = events[ type ] || [];
5338              tmp = tmp[ 2 ] &&
5339                  new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" );
5340  
5341              // Remove matching events
5342              origCount = j = handlers.length;
5343              while ( j-- ) {
5344                  handleObj = handlers[ j ];
5345  
5346                  if ( ( mappedTypes || origType === handleObj.origType ) &&
5347                      ( !handler || handler.guid === handleObj.guid ) &&
5348                      ( !tmp || tmp.test( handleObj.namespace ) ) &&
5349                      ( !selector || selector === handleObj.selector ||
5350                          selector === "**" && handleObj.selector ) ) {
5351                      handlers.splice( j, 1 );
5352  
5353                      if ( handleObj.selector ) {
5354                          handlers.delegateCount--;
5355                      }
5356                      if ( special.remove ) {
5357                          special.remove.call( elem, handleObj );
5358                      }
5359                  }
5360              }
5361  
5362              // Remove generic event handler if we removed something and no more handlers exist
5363              // (avoids potential for endless recursion during removal of special event handlers)
5364              if ( origCount && !handlers.length ) {
5365                  if ( !special.teardown ||
5366                      special.teardown.call( elem, namespaces, elemData.handle ) === false ) {
5367  
5368                      jQuery.removeEvent( elem, type, elemData.handle );
5369                  }
5370  
5371                  delete events[ type ];
5372              }
5373          }
5374  
5375          // Remove data and the expando if it's no longer used
5376          if ( jQuery.isEmptyObject( events ) ) {
5377              dataPriv.remove( elem, "handle events" );
5378          }
5379      },
5380  
5381      dispatch: function( nativeEvent ) {
5382  
5383          var i, j, ret, matched, handleObj, handlerQueue,
5384              args = new Array( arguments.length ),
5385  
5386              // Make a writable jQuery.Event from the native event object
5387              event = jQuery.event.fix( nativeEvent ),
5388  
5389              handlers = (
5390                      dataPriv.get( this, "events" ) || Object.create( null )
5391                  )[ event.type ] || [],
5392              special = jQuery.event.special[ event.type ] || {};
5393  
5394          // Use the fix-ed jQuery.Event rather than the (read-only) native event
5395          args[ 0 ] = event;
5396  
5397          for ( i = 1; i < arguments.length; i++ ) {
5398              args[ i ] = arguments[ i ];
5399          }
5400  
5401          event.delegateTarget = this;
5402  
5403          // Call the preDispatch hook for the mapped type, and let it bail if desired
5404          if ( special.preDispatch && special.preDispatch.call( this, event ) === false ) {
5405              return;
5406          }
5407  
5408          // Determine handlers
5409          handlerQueue = jQuery.event.handlers.call( this, event, handlers );
5410  
5411          // Run delegates first; they may want to stop propagation beneath us
5412          i = 0;
5413          while ( ( matched = handlerQueue[ i++ ] ) && !event.isPropagationStopped() ) {
5414              event.currentTarget = matched.elem;
5415  
5416              j = 0;
5417              while ( ( handleObj = matched.handlers[ j++ ] ) &&
5418                  !event.isImmediatePropagationStopped() ) {
5419  
5420                  // If the event is namespaced, then each handler is only invoked if it is
5421                  // specially universal or its namespaces are a superset of the event's.
5422                  if ( !event.rnamespace || handleObj.namespace === false ||
5423                      event.rnamespace.test( handleObj.namespace ) ) {
5424  
5425                      event.handleObj = handleObj;
5426                      event.data = handleObj.data;
5427  
5428                      ret = ( ( jQuery.event.special[ handleObj.origType ] || {} ).handle ||
5429                          handleObj.handler ).apply( matched.elem, args );
5430  
5431                      if ( ret !== undefined ) {
5432                          if ( ( event.result = ret ) === false ) {
5433                              event.preventDefault();
5434                              event.stopPropagation();
5435                          }
5436                      }
5437                  }
5438              }
5439          }
5440  
5441          // Call the postDispatch hook for the mapped type
5442          if ( special.postDispatch ) {
5443              special.postDispatch.call( this, event );
5444          }
5445  
5446          return event.result;
5447      },
5448  
5449      handlers: function( event, handlers ) {
5450          var i, handleObj, sel, matchedHandlers, matchedSelectors,
5451              handlerQueue = [],
5452              delegateCount = handlers.delegateCount,
5453              cur = event.target;
5454  
5455          // Find delegate handlers
5456          if ( delegateCount &&
5457  
5458              // Support: IE <=9
5459              // Black-hole SVG <use> instance trees (trac-13180)
5460              cur.nodeType &&
5461  
5462              // Support: Firefox <=42
5463              // Suppress spec-violating clicks indicating a non-primary pointer button (trac-3861)
5464              // https://www.w3.org/TR/DOM-Level-3-Events/#event-type-click
5465              // Support: IE 11 only
5466              // ...but not arrow key "clicks" of radio inputs, which can have `button` -1 (gh-2343)
5467              !( event.type === "click" && event.button >= 1 ) ) {
5468  
5469              for ( ; cur !== this; cur = cur.parentNode || this ) {
5470  
5471                  // Don't check non-elements (#13208)
5472                  // Don't process clicks on disabled elements (#6911, #8165, #11382, #11764)
5473                  if ( cur.nodeType === 1 && !( event.type === "click" && cur.disabled === true ) ) {
5474                      matchedHandlers = [];
5475                      matchedSelectors = {};
5476                      for ( i = 0; i < delegateCount; i++ ) {
5477                          handleObj = handlers[ i ];
5478  
5479                          // Don't conflict with Object.prototype properties (#13203)
5480                          sel = handleObj.selector + " ";
5481  
5482                          if ( matchedSelectors[ sel ] === undefined ) {
5483                              matchedSelectors[ sel ] = handleObj.needsContext ?
5484                                  jQuery( sel, this ).index( cur ) > -1 :
5485                                  jQuery.find( sel, this, null, [ cur ] ).length;
5486                          }
5487                          if ( matchedSelectors[ sel ] ) {
5488                              matchedHandlers.push( handleObj );
5489                          }
5490                      }
5491                      if ( matchedHandlers.length ) {
5492                          handlerQueue.push( { elem: cur, handlers: matchedHandlers } );
5493                      }
5494                  }
5495              }
5496          }
5497  
5498          // Add the remaining (directly-bound) handlers
5499          cur = this;
5500          if ( delegateCount < handlers.length ) {
5501              handlerQueue.push( { elem: cur, handlers: handlers.slice( delegateCount ) } );
5502          }
5503  
5504          return handlerQueue;
5505      },
5506  
5507      addProp: function( name, hook ) {
5508          Object.defineProperty( jQuery.Event.prototype, name, {
5509              enumerable: true,
5510              configurable: true,
5511  
5512              get: isFunction( hook ) ?
5513                  function() {
5514                      if ( this.originalEvent ) {
5515                              return hook( this.originalEvent );
5516                      }
5517                  } :
5518                  function() {
5519                      if ( this.originalEvent ) {
5520                              return this.originalEvent[ name ];
5521                      }
5522                  },
5523  
5524              set: function( value ) {
5525                  Object.defineProperty( this, name, {
5526                      enumerable: true,
5527                      configurable: true,
5528                      writable: true,
5529                      value: value
5530                  } );
5531              }
5532          } );
5533      },
5534  
5535      fix: function( originalEvent ) {
5536          return originalEvent[ jQuery.expando ] ?
5537              originalEvent :
5538              new jQuery.Event( originalEvent );
5539      },
5540  
5541      special: {
5542          load: {
5543  
5544              // Prevent triggered image.load events from bubbling to window.load
5545              noBubble: true
5546          },
5547          click: {
5548  
5549              // Utilize native event to ensure correct state for checkable inputs
5550              setup: function( data ) {
5551  
5552                  // For mutual compressibility with _default, replace `this` access with a local var.
5553                  // `|| data` is dead code meant only to preserve the variable through minification.
5554                  var el = this || data;
5555  
5556                  // Claim the first handler
5557                  if ( rcheckableType.test( el.type ) &&
5558                      el.click && nodeName( el, "input" ) ) {
5559  
5560                      // dataPriv.set( el, "click", ... )
5561                      leverageNative( el, "click", returnTrue );
5562                  }
5563  
5564                  // Return false to allow normal processing in the caller
5565                  return false;
5566              },
5567              trigger: function( data ) {
5568  
5569                  // For mutual compressibility with _default, replace `this` access with a local var.
5570                  // `|| data` is dead code meant only to preserve the variable through minification.
5571                  var el = this || data;
5572  
5573                  // Force setup before triggering a click
5574                  if ( rcheckableType.test( el.type ) &&
5575                      el.click && nodeName( el, "input" ) ) {
5576  
5577                      leverageNative( el, "click" );
5578                  }
5579  
5580                  // Return non-false to allow normal event-path propagation
5581                  return true;
5582              },
5583  
5584              // For cross-browser consistency, suppress native .click() on links
5585              // Also prevent it if we're currently inside a leveraged native-event stack
5586              _default: function( event ) {
5587                  var target = event.target;
5588                  return rcheckableType.test( target.type ) &&
5589                      target.click && nodeName( target, "input" ) &&
5590                      dataPriv.get( target, "click" ) ||
5591                      nodeName( target, "a" );
5592              }
5593          },
5594  
5595          beforeunload: {
5596              postDispatch: function( event ) {
5597  
5598                  // Support: Firefox 20+
5599                  // Firefox doesn't alert if the returnValue field is not set.
5600                  if ( event.result !== undefined && event.originalEvent ) {
5601                      event.originalEvent.returnValue = event.result;
5602                  }
5603              }
5604          }
5605      }
5606  };
5607  
5608  // Ensure the presence of an event listener that handles manually-triggered
5609  // synthetic events by interrupting progress until reinvoked in response to
5610  // *native* events that it fires directly, ensuring that state changes have
5611  // already occurred before other listeners are invoked.
5612  function leverageNative( el, type, expectSync ) {
5613  
5614      // Missing expectSync indicates a trigger call, which must force setup through jQuery.event.add
5615      if ( !expectSync ) {
5616          if ( dataPriv.get( el, type ) === undefined ) {
5617              jQuery.event.add( el, type, returnTrue );
5618          }
5619          return;
5620      }
5621  
5622      // Register the controller as a special universal handler for all event namespaces
5623      dataPriv.set( el, type, false );
5624      jQuery.event.add( el, type, {
5625          namespace: false,
5626          handler: function( event ) {
5627              var notAsync, result,
5628                  saved = dataPriv.get( this, type );
5629  
5630              if ( ( event.isTrigger & 1 ) && this[ type ] ) {
5631  
5632                  // Interrupt processing of the outer synthetic .trigger()ed event
5633                  // Saved data should be false in such cases, but might be a leftover capture object
5634                  // from an async native handler (gh-4350)
5635                  if ( !saved.length ) {
5636  
5637                      // Store arguments for use when handling the inner native event
5638                      // There will always be at least one argument (an event object), so this array
5639                      // will not be confused with a leftover capture object.
5640                      saved = slice.call( arguments );
5641                      dataPriv.set( this, type, saved );
5642  
5643                      // Trigger the native event and capture its result
5644                      // Support: IE <=9 - 11+
5645                      // focus() and blur() are asynchronous
5646                      notAsync = expectSync( this, type );
5647                      this[ type ]();
5648                      result = dataPriv.get( this, type );
5649                      if ( saved !== result || notAsync ) {
5650                          dataPriv.set( this, type, false );
5651                      } else {
5652                          result = {};
5653                      }
5654                      if ( saved !== result ) {
5655  
5656                          // Cancel the outer synthetic event
5657                          event.stopImmediatePropagation();
5658                          event.preventDefault();
5659                          return result.value;
5660                      }
5661  
5662                  // If this is an inner synthetic event for an event with a bubbling surrogate
5663                  // (focus or blur), assume that the surrogate already propagated from triggering the
5664                  // native event and prevent that from happening again here.
5665                  // This technically gets the ordering wrong w.r.t. to `.trigger()` (in which the
5666                  // bubbling surrogate propagates *after* the non-bubbling base), but that seems
5667                  // less bad than duplication.
5668                  } else if ( ( jQuery.event.special[ type ] || {} ).delegateType ) {
5669                      event.stopPropagation();
5670                  }
5671  
5672              // If this is a native event triggered above, everything is now in order
5673              // Fire an inner synthetic event with the original arguments
5674              } else if ( saved.length ) {
5675  
5676                  // ...and capture the result
5677                  dataPriv.set( this, type, {
5678                      value: jQuery.event.trigger(
5679  
5680                          // Support: IE <=9 - 11+
5681                          // Extend with the prototype to reset the above stopImmediatePropagation()
5682                          jQuery.extend( saved[ 0 ], jQuery.Event.prototype ),
5683                          saved.slice( 1 ),
5684                          this
5685                      )
5686                  } );
5687  
5688                  // Abort handling of the native event
5689                  event.stopImmediatePropagation();
5690              }
5691          }
5692      } );
5693  }
5694  
5695  jQuery.removeEvent = function( elem, type, handle ) {
5696  
5697      // This "if" is needed for plain objects
5698      if ( elem.removeEventListener ) {
5699          elem.removeEventListener( type, handle );
5700      }
5701  };
5702  
5703  jQuery.Event = function( src, props ) {
5704  
5705      // Allow instantiation without the 'new' keyword
5706      if ( !( this instanceof jQuery.Event ) ) {
5707          return new jQuery.Event( src, props );
5708      }
5709  
5710      // Event object
5711      if ( src && src.type ) {
5712          this.originalEvent = src;
5713          this.type = src.type;
5714  
5715          // Events bubbling up the document may have been marked as prevented
5716          // by a handler lower down the tree; reflect the correct value.
5717          this.isDefaultPrevented = src.defaultPrevented ||
5718                  src.defaultPrevented === undefined &&
5719  
5720                  // Support: Android <=2.3 only
5721                  src.returnValue === false ?
5722              returnTrue :
5723              returnFalse;
5724  
5725          // Create target properties
5726          // Support: Safari <=6 - 7 only
5727          // Target should not be a text node (#504, #13143)
5728          this.target = ( src.target && src.target.nodeType === 3 ) ?
5729              src.target.parentNode :
5730              src.target;
5731  
5732          this.currentTarget = src.currentTarget;
5733          this.relatedTarget = src.relatedTarget;
5734  
5735      // Event type
5736      } else {
5737          this.type = src;
5738      }
5739  
5740      // Put explicitly provided properties onto the event object
5741      if ( props ) {
5742          jQuery.extend( this, props );
5743      }
5744  
5745      // Create a timestamp if incoming event doesn't have one
5746      this.timeStamp = src && src.timeStamp || Date.now();
5747  
5748      // Mark it as fixed
5749      this[ jQuery.expando ] = true;
5750  };
5751  
5752  // jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding
5753  // https://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html
5754  jQuery.Event.prototype = {
5755      constructor: jQuery.Event,
5756      isDefaultPrevented: returnFalse,
5757      isPropagationStopped: returnFalse,
5758      isImmediatePropagationStopped: returnFalse,
5759      isSimulated: false,
5760  
5761      preventDefault: function() {
5762          var e = this.originalEvent;
5763  
5764          this.isDefaultPrevented = returnTrue;
5765  
5766          if ( e && !this.isSimulated ) {
5767              e.preventDefault();
5768          }
5769      },
5770      stopPropagation: function() {
5771          var e = this.originalEvent;
5772  
5773          this.isPropagationStopped = returnTrue;
5774  
5775          if ( e && !this.isSimulated ) {
5776              e.stopPropagation();
5777          }
5778      },
5779      stopImmediatePropagation: function() {
5780          var e = this.originalEvent;
5781  
5782          this.isImmediatePropagationStopped = returnTrue;
5783  
5784          if ( e && !this.isSimulated ) {
5785              e.stopImmediatePropagation();
5786          }
5787  
5788          this.stopPropagation();
5789      }
5790  };
5791  
5792  // Includes all common event props including KeyEvent and MouseEvent specific props
5793  jQuery.each( {
5794      altKey: true,
5795      bubbles: true,
5796      cancelable: true,
5797      changedTouches: true,
5798      ctrlKey: true,
5799      detail: true,
5800      eventPhase: true,
5801      metaKey: true,
5802      pageX: true,
5803      pageY: true,
5804      shiftKey: true,
5805      view: true,
5806      "char": true,
5807      code: true,
5808      charCode: true,
5809      key: true,
5810      keyCode: true,
5811      button: true,
5812      buttons: true,
5813      clientX: true,
5814      clientY: true,
5815      offsetX: true,
5816      offsetY: true,
5817      pointerId: true,
5818      pointerType: true,
5819      screenX: true,
5820      screenY: true,
5821      targetTouches: true,
5822      toElement: true,
5823      touches: true,
5824  
5825      which: function( event ) {
5826          var button = event.button;
5827  
5828          // Add which for key events
5829          if ( event.which == null && rkeyEvent.test( event.type ) ) {
5830              return event.charCode != null ? event.charCode : event.keyCode;
5831          }
5832  
5833          // Add which for click: 1 === left; 2 === middle; 3 === right
5834          if ( !event.which && button !== undefined && rmouseEvent.test( event.type ) ) {
5835              if ( button & 1 ) {
5836                  return 1;
5837              }
5838  
5839              if ( button & 2 ) {
5840                  return 3;
5841              }
5842  
5843              if ( button & 4 ) {
5844                  return 2;
5845              }
5846  
5847              return 0;
5848          }
5849  
5850          return event.which;
5851      }
5852  }, jQuery.event.addProp );
5853  
5854  jQuery.each( { focus: "focusin", blur: "focusout" }, function( type, delegateType ) {
5855      jQuery.event.special[ type ] = {
5856  
5857          // Utilize native event if possible so blur/focus sequence is correct
5858          setup: function() {
5859  
5860              // Claim the first handler
5861              // dataPriv.set( this, "focus", ... )
5862              // dataPriv.set( this, "blur", ... )
5863              leverageNative( this, type, expectSync );
5864  
5865              // Return false to allow normal processing in the caller
5866              return false;
5867          },
5868          trigger: function() {
5869  
5870              // Force setup before trigger
5871              leverageNative( this, type );
5872  
5873              // Return non-false to allow normal event-path propagation
5874              return true;
5875          },
5876  
5877          delegateType: delegateType
5878      };
5879  } );
5880  
5881  // Create mouseenter/leave events using mouseover/out and event-time checks
5882  // so that event delegation works in jQuery.
5883  // Do the same for pointerenter/pointerleave and pointerover/pointerout
5884  //
5885  // Support: Safari 7 only
5886  // Safari sends mouseenter too often; see:
5887  // https://bugs.chromium.org/p/chromium/issues/detail?id=470258
5888  // for the description of the bug (it existed in older Chrome versions as well).
5889  jQuery.each( {
5890      mouseenter: "mouseover",
5891      mouseleave: "mouseout",
5892      pointerenter: "pointerover",
5893      pointerleave: "pointerout"
5894  }, function( orig, fix ) {
5895      jQuery.event.special[ orig ] = {
5896          delegateType: fix,
5897          bindType: fix,
5898  
5899          handle: function( event ) {
5900              var ret,
5901                  target = this,
5902                  related = event.relatedTarget,
5903                  handleObj = event.handleObj;
5904  
5905              // For mouseenter/leave call the handler if related is outside the target.
5906              // NB: No relatedTarget if the mouse left/entered the browser window
5907              if ( !related || ( related !== target && !jQuery.contains( target, related ) ) ) {
5908                  event.type = handleObj.origType;
5909                  ret = handleObj.handler.apply( this, arguments );
5910                  event.type = fix;
5911              }
5912              return ret;
5913          }
5914      };
5915  } );
5916  
5917  jQuery.fn.extend( {
5918  
5919      on: function( types, selector, data, fn ) {
5920          return on( this, types, selector, data, fn );
5921      },
5922      one: function( types, selector, data, fn ) {
5923          return on( this, types, selector, data, fn, 1 );
5924      },
5925      off: function( types, selector, fn ) {
5926          var handleObj, type;
5927          if ( types && types.preventDefault && types.handleObj ) {
5928  
5929              // ( event )  dispatched jQuery.Event
5930              handleObj = types.handleObj;
5931              jQuery( types.delegateTarget ).off(
5932                  handleObj.namespace ?
5933                      handleObj.origType + "." + handleObj.namespace :
5934                      handleObj.origType,
5935                  handleObj.selector,
5936                  handleObj.handler
5937              );
5938              return this;
5939          }
5940          if ( typeof types === "object" ) {
5941  
5942              // ( types-object [, selector] )
5943              for ( type in types ) {
5944                  this.off( type, selector, types[ type ] );
5945              }
5946              return this;
5947          }
5948          if ( selector === false || typeof selector === "function" ) {
5949  
5950              // ( types [, fn] )
5951              fn = selector;
5952              selector = undefined;
5953          }
5954          if ( fn === false ) {
5955              fn = returnFalse;
5956          }
5957          return this.each( function() {
5958              jQuery.event.remove( this, types, fn, selector );
5959          } );
5960      }
5961  } );
5962  
5963  
5964  var
5965  
5966      // Support: IE <=10 - 11, Edge 12 - 13 only
5967      // In IE/Edge using regex groups here causes severe slowdowns.
5968      // See https://connect.microsoft.com/IE/feedback/details/1736512/
5969      rnoInnerhtml = /<script|<style|<link/i,
5970  
5971      // checked="checked" or checked
5972      rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i,
5973      rcleanScript = /^\s*<!(?:\[CDATA\[|--)|(?:\]\]|--)>\s*$/g;
5974  
5975  // Prefer a tbody over its parent table for containing new rows
5976  function manipulationTarget( elem, content ) {
5977      if ( nodeName( elem, "table" ) &&
5978          nodeName( content.nodeType !== 11 ? content : content.firstChild, "tr" ) ) {
5979  
5980          return jQuery( elem ).children( "tbody" )[ 0 ] || elem;
5981      }
5982  
5983      return elem;
5984  }
5985  
5986  // Replace/restore the type attribute of script elements for safe DOM manipulation
5987  function disableScript( elem ) {
5988      elem.type = ( elem.getAttribute( "type" ) !== null ) + "/" + elem.type;
5989      return elem;
5990  }
5991  function restoreScript( elem ) {
5992      if ( ( elem.type || "" ).slice( 0, 5 ) === "true/" ) {
5993          elem.type = elem.type.slice( 5 );
5994      } else {
5995          elem.removeAttribute( "type" );
5996      }
5997  
5998      return elem;
5999  }
6000  
6001  function cloneCopyEvent( src, dest ) {
6002      var i, l, type, pdataOld, udataOld, udataCur, events;
6003  
6004      if ( dest.nodeType !== 1 ) {
6005          return;
6006      }
6007  
6008      // 1. Copy private data: events, handlers, etc.
6009      if ( dataPriv.hasData( src ) ) {
6010          pdataOld = dataPriv.get( src );
6011          events = pdataOld.events;
6012  
6013          if ( events ) {
6014              dataPriv.remove( dest, "handle events" );
6015  
6016              for ( type in events ) {
6017                  for ( i = 0, l = events[ type ].length; i < l; i++ ) {
6018                      jQuery.event.add( dest, type, events[ type ][ i ] );
6019                  }
6020              }
6021          }
6022      }
6023  
6024      // 2. Copy user data
6025      if ( dataUser.hasData( src ) ) {
6026          udataOld = dataUser.access( src );
6027          udataCur = jQuery.extend( {}, udataOld );
6028  
6029          dataUser.set( dest, udataCur );
6030      }
6031  }
6032  
6033  // Fix IE bugs, see support tests
6034  function fixInput( src, dest ) {
6035      var nodeName = dest.nodeName.toLowerCase();
6036  
6037      // Fails to persist the checked state of a cloned checkbox or radio button.
6038      if ( nodeName === "input" && rcheckableType.test( src.type ) ) {
6039          dest.checked = src.checked;
6040  
6041      // Fails to return the selected option to the default selected state when cloning options
6042      } else if ( nodeName === "input" || nodeName === "textarea" ) {
6043          dest.defaultValue = src.defaultValue;
6044      }
6045  }
6046  
6047  function domManip( collection, args, callback, ignored ) {
6048  
6049      // Flatten any nested arrays
6050      args = flat( args );
6051  
6052      var fragment, first, scripts, hasScripts, node, doc,
6053          i = 0,
6054          l = collection.length,
6055          iNoClone = l - 1,
6056          value = args[ 0 ],
6057          valueIsFunction = isFunction( value );
6058  
6059      // We can't cloneNode fragments that contain checked, in WebKit
6060      if ( valueIsFunction ||
6061              ( l > 1 && typeof value === "string" &&
6062                  !support.checkClone && rchecked.test( value ) ) ) {
6063          return collection.each( function( index ) {
6064              var self = collection.eq( index );
6065              if ( valueIsFunction ) {
6066                  args[ 0 ] = value.call( this, index, self.html() );
6067              }
6068              domManip( self, args, callback, ignored );
6069          } );
6070      }
6071  
6072      if ( l ) {
6073          fragment = buildFragment( args, collection[ 0 ].ownerDocument, false, collection, ignored );
6074          first = fragment.firstChild;
6075  
6076          if ( fragment.childNodes.length === 1 ) {
6077              fragment = first;
6078          }
6079  
6080          // Require either new content or an interest in ignored elements to invoke the callback
6081          if ( first || ignored ) {
6082              scripts = jQuery.map( getAll( fragment, "script" ), disableScript );
6083              hasScripts = scripts.length;
6084  
6085              // Use the original fragment for the last item
6086              // instead of the first because it can end up
6087              // being emptied incorrectly in certain situations (#8070).
6088              for ( ; i < l; i++ ) {
6089                  node = fragment;
6090  
6091                  if ( i !== iNoClone ) {
6092                      node = jQuery.clone( node, true, true );
6093  
6094                      // Keep references to cloned scripts for later restoration
6095                      if ( hasScripts ) {
6096  
6097                          // Support: Android <=4.0 only, PhantomJS 1 only
6098                          // push.apply(_, arraylike) throws on ancient WebKit
6099                          jQuery.merge( scripts, getAll( node, "script" ) );
6100                      }
6101                  }
6102  
6103                  callback.call( collection[ i ], node, i );
6104              }
6105  
6106              if ( hasScripts ) {
6107                  doc = scripts[ scripts.length - 1 ].ownerDocument;
6108  
6109                  // Reenable scripts
6110                  jQuery.map( scripts, restoreScript );
6111  
6112                  // Evaluate executable scripts on first document insertion
6113                  for ( i = 0; i < hasScripts; i++ ) {
6114                      node = scripts[ i ];
6115                      if ( rscriptType.test( node.type || "" ) &&
6116                          !dataPriv.access( node, "globalEval" ) &&
6117                          jQuery.contains( doc, node ) ) {
6118  
6119                          if ( node.src && ( node.type || "" ).toLowerCase()  !== "module" ) {
6120  
6121                              // Optional AJAX dependency, but won't run scripts if not present
6122                              if ( jQuery._evalUrl && !node.noModule ) {
6123                                  jQuery._evalUrl( node.src, {
6124                                      nonce: node.nonce || node.getAttribute( "nonce" )
6125                                  }, doc );
6126                              }
6127                          } else {
6128                              DOMEval( node.textContent.replace( rcleanScript, "" ), node, doc );
6129                          }
6130                      }
6131                  }
6132              }
6133          }
6134      }
6135  
6136      return collection;
6137  }
6138  
6139  function remove( elem, selector, keepData ) {
6140      var node,
6141          nodes = selector ? jQuery.filter( selector, elem ) : elem,
6142          i = 0;
6143  
6144      for ( ; ( node = nodes[ i ] ) != null; i++ ) {
6145          if ( !keepData && node.nodeType === 1 ) {
6146              jQuery.cleanData( getAll( node ) );
6147          }
6148  
6149          if ( node.parentNode ) {
6150              if ( keepData && isAttached( node ) ) {
6151                  setGlobalEval( getAll( node, "script" ) );
6152              }
6153              node.parentNode.removeChild( node );
6154          }
6155      }
6156  
6157      return elem;
6158  }
6159  
6160  jQuery.extend( {
6161      htmlPrefilter: function( html ) {
6162          return html;
6163      },
6164  
6165      clone: function( elem, dataAndEvents, deepDataAndEvents ) {
6166          var i, l, srcElements, destElements,
6167              clone = elem.cloneNode( true ),
6168              inPage = isAttached( elem );
6169  
6170          // Fix IE cloning issues
6171          if ( !support.noCloneChecked && ( elem.nodeType === 1 || elem.nodeType === 11 ) &&
6172                  !jQuery.isXMLDoc( elem ) ) {
6173  
6174              // We eschew Sizzle here for performance reasons: https://jsperf.com/getall-vs-sizzle/2
6175              destElements = getAll( clone );
6176              srcElements = getAll( elem );
6177  
6178              for ( i = 0, l = srcElements.length; i < l; i++ ) {
6179                  fixInput( srcElements[ i ], destElements[ i ] );
6180              }
6181          }
6182  
6183          // Copy the events from the original to the clone
6184          if ( dataAndEvents ) {
6185              if ( deepDataAndEvents ) {
6186                  srcElements = srcElements || getAll( elem );
6187                  destElements = destElements || getAll( clone );
6188  
6189                  for ( i = 0, l = srcElements.length; i < l; i++ ) {
6190                      cloneCopyEvent( srcElements[ i ], destElements[ i ] );
6191                  }
6192              } else {
6193                  cloneCopyEvent( elem, clone );
6194              }
6195          }
6196  
6197          // Preserve script evaluation history
6198          destElements = getAll( clone, "script" );
6199          if ( destElements.length > 0 ) {
6200              setGlobalEval( destElements, !inPage && getAll( elem, "script" ) );
6201          }
6202  
6203          // Return the cloned set
6204          return clone;
6205      },
6206  
6207      cleanData: function( elems ) {
6208          var data, elem, type,
6209              special = jQuery.event.special,
6210              i = 0;
6211  
6212          for ( ; ( elem = elems[ i ] ) !== undefined; i++ ) {
6213              if ( acceptData( elem ) ) {
6214                  if ( ( data = elem[ dataPriv.expando ] ) ) {
6215                      if ( data.events ) {
6216                          for ( type in data.events ) {
6217                              if ( special[ type ] ) {
6218                                  jQuery.event.remove( elem, type );
6219  
6220                              // This is a shortcut to avoid jQuery.event.remove's overhead
6221                              } else {
6222                                  jQuery.removeEvent( elem, type, data.handle );
6223                              }
6224                          }
6225                      }
6226  
6227                      // Support: Chrome <=35 - 45+
6228                      // Assign undefined instead of using delete, see Data#remove
6229                      elem[ dataPriv.expando ] = undefined;
6230                  }
6231                  if ( elem[ dataUser.expando ] ) {
6232  
6233                      // Support: Chrome <=35 - 45+
6234                      // Assign undefined instead of using delete, see Data#remove
6235                      elem[ dataUser.expando ] = undefined;
6236                  }
6237              }
6238          }
6239      }
6240  } );
6241  
6242  jQuery.fn.extend( {
6243      detach: function( selector ) {
6244          return remove( this, selector, true );
6245      },
6246  
6247      remove: function( selector ) {
6248          return remove( this, selector );
6249      },
6250  
6251      text: function( value ) {
6252          return access( this, function( value ) {
6253              return value === undefined ?
6254                  jQuery.text( this ) :
6255                  this.empty().each( function() {
6256                      if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
6257                          this.textContent = value;
6258                      }
6259                  } );
6260          }, null, value, arguments.length );
6261      },
6262  
6263      append: function() {
6264          return domManip( this, arguments, function( elem ) {
6265              if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
6266                  var target = manipulationTarget( this, elem );
6267                  target.appendChild( elem );
6268              }
6269          } );
6270      },
6271  
6272      prepend: function() {
6273          return domManip( this, arguments, function( elem ) {
6274              if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
6275                  var target = manipulationTarget( this, elem );
6276                  target.insertBefore( elem, target.firstChild );
6277              }
6278          } );
6279      },
6280  
6281      before: function() {
6282          return domManip( this, arguments, function( elem ) {
6283              if ( this.parentNode ) {
6284                  this.parentNode.insertBefore( elem, this );
6285              }
6286          } );
6287      },
6288  
6289      after: function() {
6290          return domManip( this, arguments, function( elem ) {
6291              if ( this.parentNode ) {
6292                  this.parentNode.insertBefore( elem, this.nextSibling );
6293              }
6294          } );
6295      },
6296  
6297      empty: function() {
6298          var elem,
6299              i = 0;
6300  
6301          for ( ; ( elem = this[ i ] ) != null; i++ ) {
6302              if ( elem.nodeType === 1 ) {
6303  
6304                  // Prevent memory leaks
6305                  jQuery.cleanData( getAll( elem, false ) );
6306  
6307                  // Remove any remaining nodes
6308                  elem.textContent = "";
6309              }
6310          }
6311  
6312          return this;
6313      },
6314  
6315      clone: function( dataAndEvents, deepDataAndEvents ) {
6316          dataAndEvents = dataAndEvents == null ? false : dataAndEvents;
6317          deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents;
6318  
6319          return this.map( function() {
6320              return jQuery.clone( this, dataAndEvents, deepDataAndEvents );
6321          } );
6322      },
6323  
6324      html: function( value ) {
6325          return access( this, function( value ) {
6326              var elem = this[ 0 ] || {},
6327                  i = 0,
6328                  l = this.length;
6329  
6330              if ( value === undefined && elem.nodeType === 1 ) {
6331                  return elem.innerHTML;
6332              }
6333  
6334              // See if we can take a shortcut and just use innerHTML
6335              if ( typeof value === "string" && !rnoInnerhtml.test( value ) &&
6336                  !wrapMap[ ( rtagName.exec( value ) || [ "", "" ] )[ 1 ].toLowerCase() ] ) {
6337  
6338                  value = jQuery.htmlPrefilter( value );
6339  
6340                  try {
6341                      for ( ; i < l; i++ ) {
6342                          elem = this[ i ] || {};
6343  
6344                          // Remove element nodes and prevent memory leaks
6345                          if ( elem.nodeType === 1 ) {
6346                              jQuery.cleanData( getAll( elem, false ) );
6347                              elem.innerHTML = value;
6348                          }
6349                      }
6350  
6351                      elem = 0;
6352  
6353                  // If using innerHTML throws an exception, use the fallback method
6354                  } catch ( e ) {}
6355              }
6356  
6357              if ( elem ) {
6358                  this.empty().append( value );
6359              }
6360          }, null, value, arguments.length );
6361      },
6362  
6363      replaceWith: function() {
6364          var ignored = [];
6365  
6366          // Make the changes, replacing each non-ignored context element with the new content
6367          return domManip( this, arguments, function( elem ) {
6368              var parent = this.parentNode;
6369  
6370              if ( jQuery.inArray( this, ignored ) < 0 ) {
6371                  jQuery.cleanData( getAll( this ) );
6372                  if ( parent ) {
6373                      parent.replaceChild( elem, this );
6374                  }
6375              }
6376  
6377          // Force callback invocation
6378          }, ignored );
6379      }
6380  } );
6381  
6382  jQuery.each( {
6383      appendTo: "append",
6384      prependTo: "prepend",
6385      insertBefore: "before",
6386      insertAfter: "after",
6387      replaceAll: "replaceWith"
6388  }, function( name, original ) {
6389      jQuery.fn[ name ] = function( selector ) {
6390          var elems,
6391              ret = [],
6392              insert = jQuery( selector ),
6393              last = insert.length - 1,
6394              i = 0;
6395  
6396          for ( ; i <= last; i++ ) {
6397              elems = i === last ? this : this.clone( true );
6398              jQuery( insert[ i ] )[ original ]( elems );
6399  
6400              // Support: Android <=4.0 only, PhantomJS 1 only
6401              // .get() because push.apply(_, arraylike) throws on ancient WebKit
6402              push.apply( ret, elems.get() );
6403          }
6404  
6405          return this.pushStack( ret );
6406      };
6407  } );
6408  var rnumnonpx = new RegExp( "^(" + pnum + ")(?!px)[a-z%]+$", "i" );
6409  
6410  var getStyles = function( elem ) {
6411  
6412          // Support: IE <=11 only, Firefox <=30 (#15098, #14150)
6413          // IE throws on elements created in popups
6414          // FF meanwhile throws on frame elements through "defaultView.getComputedStyle"
6415          var view = elem.ownerDocument.defaultView;
6416  
6417          if ( !view || !view.opener ) {
6418              view = window;
6419          }
6420  
6421          return view.getComputedStyle( elem );
6422      };
6423  
6424  var swap = function( elem, options, callback ) {
6425      var ret, name,
6426          old = {};
6427  
6428      // Remember the old values, and insert the new ones
6429      for ( name in options ) {
6430          old[ name ] = elem.style[ name ];
6431          elem.style[ name ] = options[ name ];
6432      }
6433  
6434      ret = callback.call( elem );
6435  
6436      // Revert the old values
6437      for ( name in options ) {
6438          elem.style[ name ] = old[ name ];
6439      }
6440  
6441      return ret;
6442  };
6443  
6444  
6445  var rboxStyle = new RegExp( cssExpand.join( "|" ), "i" );
6446  
6447  
6448  
6449  ( function() {
6450  
6451      // Executing both pixelPosition & boxSizingReliable tests require only one layout
6452      // so they're executed at the same time to save the second computation.
6453  	function computeStyleTests() {
6454  
6455          // This is a singleton, we need to execute it only once
6456          if ( !div ) {
6457              return;
6458          }
6459  
6460          container.style.cssText = "position:absolute;left:-11111px;width:60px;" +
6461              "margin-top:1px;padding:0;border:0";
6462          div.style.cssText =
6463              "position:relative;display:block;box-sizing:border-box;overflow:scroll;" +
6464              "margin:auto;border:1px;padding:1px;" +
6465              "width:60%;top:1%";
6466          documentElement.appendChild( container ).appendChild( div );
6467  
6468          var divStyle = window.getComputedStyle( div );
6469          pixelPositionVal = divStyle.top !== "1%";
6470  
6471          // Support: Android 4.0 - 4.3 only, Firefox <=3 - 44
6472          reliableMarginLeftVal = roundPixelMeasures( divStyle.marginLeft ) === 12;
6473  
6474          // Support: Android 4.0 - 4.3 only, Safari <=9.1 - 10.1, iOS <=7.0 - 9.3
6475          // Some styles come back with percentage values, even though they shouldn't
6476          div.style.right = "60%";
6477          pixelBoxStylesVal = roundPixelMeasures( divStyle.right ) === 36;
6478  
6479          // Support: IE 9 - 11 only
6480          // Detect misreporting of content dimensions for box-sizing:border-box elements
6481          boxSizingReliableVal = roundPixelMeasures( divStyle.width ) === 36;
6482  
6483          // Support: IE 9 only
6484          // Detect overflow:scroll screwiness (gh-3699)
6485          // Support: Chrome <=64
6486          // Don't get tricked when zoom affects offsetWidth (gh-4029)
6487          div.style.position = "absolute";
6488          scrollboxSizeVal = roundPixelMeasures( div.offsetWidth / 3 ) === 12;
6489  
6490          documentElement.removeChild( container );
6491  
6492          // Nullify the div so it wouldn't be stored in the memory and
6493          // it will also be a sign that checks already performed
6494          div = null;
6495      }
6496  
6497  	function roundPixelMeasures( measure ) {
6498          return Math.round( parseFloat( measure ) );
6499      }
6500  
6501      var pixelPositionVal, boxSizingReliableVal, scrollboxSizeVal, pixelBoxStylesVal,
6502          reliableTrDimensionsVal, reliableMarginLeftVal,
6503          container = document.createElement( "div" ),
6504          div = document.createElement( "div" );
6505  
6506      // Finish early in limited (non-browser) environments
6507      if ( !div.style ) {
6508          return;
6509      }
6510  
6511      // Support: IE <=9 - 11 only
6512      // Style of cloned element affects source element cloned (#8908)
6513      div.style.backgroundClip = "content-box";
6514      div.cloneNode( true ).style.backgroundClip = "";
6515      support.clearCloneStyle = div.style.backgroundClip === "content-box";
6516  
6517      jQuery.extend( support, {
6518          boxSizingReliable: function() {
6519              computeStyleTests();
6520              return boxSizingReliableVal;
6521          },
6522          pixelBoxStyles: function() {
6523              computeStyleTests();
6524              return pixelBoxStylesVal;
6525          },
6526          pixelPosition: function() {
6527              computeStyleTests();
6528              return pixelPositionVal;
6529          },
6530          reliableMarginLeft: function() {
6531              computeStyleTests();
6532              return reliableMarginLeftVal;
6533          },
6534          scrollboxSize: function() {
6535              computeStyleTests();
6536              return scrollboxSizeVal;
6537          },
6538  
6539          // Support: IE 9 - 11+, Edge 15 - 18+
6540          // IE/Edge misreport `getComputedStyle` of table rows with width/height
6541          // set in CSS while `offset*` properties report correct values.
6542          // Behavior in IE 9 is more subtle than in newer versions & it passes
6543          // some versions of this test; make sure not to make it pass there!
6544          reliableTrDimensions: function() {
6545              var table, tr, trChild, trStyle;
6546              if ( reliableTrDimensionsVal == null ) {
6547                  table = document.createElement( "table" );
6548                  tr = document.createElement( "tr" );
6549                  trChild = document.createElement( "div" );
6550  
6551                  table.style.cssText = "position:absolute;left:-11111px";
6552                  tr.style.height = "1px";
6553                  trChild.style.height = "9px";
6554  
6555                  documentElement
6556                      .appendChild( table )
6557                      .appendChild( tr )
6558                      .appendChild( trChild );
6559  
6560                  trStyle = window.getComputedStyle( tr );
6561                  reliableTrDimensionsVal = parseInt( trStyle.height ) > 3;
6562  
6563                  documentElement.removeChild( table );
6564              }
6565              return reliableTrDimensionsVal;
6566          }
6567      } );
6568  } )();
6569  
6570  
6571  function curCSS( elem, name, computed ) {
6572      var width, minWidth, maxWidth, ret,
6573  
6574          // Support: Firefox 51+
6575          // Retrieving style before computed somehow
6576          // fixes an issue with getting wrong values
6577          // on detached elements
6578          style = elem.style;
6579  
6580      computed = computed || getStyles( elem );
6581  
6582      // getPropertyValue is needed for:
6583      //   .css('filter') (IE 9 only, #12537)
6584      //   .css('--customProperty) (#3144)
6585      if ( computed ) {
6586          ret = computed.getPropertyValue( name ) || computed[ name ];
6587  
6588          if ( ret === "" && !isAttached( elem ) ) {
6589              ret = jQuery.style( elem, name );
6590          }
6591  
6592          // A tribute to the "awesome hack by Dean Edwards"
6593          // Android Browser returns percentage for some values,
6594          // but width seems to be reliably pixels.
6595          // This is against the CSSOM draft spec:
6596          // https://drafts.csswg.org/cssom/#resolved-values
6597          if ( !support.pixelBoxStyles() && rnumnonpx.test( ret ) && rboxStyle.test( name ) ) {
6598  
6599              // Remember the original values
6600              width = style.width;
6601              minWidth = style.minWidth;
6602              maxWidth = style.maxWidth;
6603  
6604              // Put in the new values to get a computed value out
6605              style.minWidth = style.maxWidth = style.width = ret;
6606              ret = computed.width;
6607  
6608              // Revert the changed values
6609              style.width = width;
6610              style.minWidth = minWidth;
6611              style.maxWidth = maxWidth;
6612          }
6613      }
6614  
6615      return ret !== undefined ?
6616  
6617          // Support: IE <=9 - 11 only
6618          // IE returns zIndex value as an integer.
6619          ret + "" :
6620          ret;
6621  }
6622  
6623  
6624  function addGetHookIf( conditionFn, hookFn ) {
6625  
6626      // Define the hook, we'll check on the first run if it's really needed.
6627      return {
6628          get: function() {
6629              if ( conditionFn() ) {
6630  
6631                  // Hook not needed (or it's not possible to use it due
6632                  // to missing dependency), remove it.
6633                  delete this.get;
6634                  return;
6635              }
6636  
6637              // Hook needed; redefine it so that the support test is not executed again.
6638              return ( this.get = hookFn ).apply( this, arguments );
6639          }
6640      };
6641  }
6642  
6643  
6644  var cssPrefixes = [ "Webkit", "Moz", "ms" ],
6645      emptyStyle = document.createElement( "div" ).style,
6646      vendorProps = {};
6647  
6648  // Return a vendor-prefixed property or undefined
6649  function vendorPropName( name ) {
6650  
6651      // Check for vendor prefixed names
6652      var capName = name[ 0 ].toUpperCase() + name.slice( 1 ),
6653          i = cssPrefixes.length;
6654  
6655      while ( i-- ) {
6656          name = cssPrefixes[ i ] + capName;
6657          if ( name in emptyStyle ) {
6658              return name;
6659          }
6660      }
6661  }
6662  
6663  // Return a potentially-mapped jQuery.cssProps or vendor prefixed property
6664  function finalPropName( name ) {
6665      var final = jQuery.cssProps[ name ] || vendorProps[ name ];
6666  
6667      if ( final ) {
6668          return final;
6669      }
6670      if ( name in emptyStyle ) {
6671          return name;
6672      }
6673      return vendorProps[ name ] = vendorPropName( name ) || name;
6674  }
6675  
6676  
6677  var
6678  
6679      // Swappable if display is none or starts with table
6680      // except "table", "table-cell", or "table-caption"
6681      // See here for display values: https://developer.mozilla.org/en-US/docs/CSS/display
6682      rdisplayswap = /^(none|table(?!-c[ea]).+)/,
6683      rcustomProp = /^--/,
6684      cssShow = { position: "absolute", visibility: "hidden", display: "block" },
6685      cssNormalTransform = {
6686          letterSpacing: "0",
6687          fontWeight: "400"
6688      };
6689  
6690  function setPositiveNumber( _elem, value, subtract ) {
6691  
6692      // Any relative (+/-) values have already been
6693      // normalized at this point
6694      var matches = rcssNum.exec( value );
6695      return matches ?
6696  
6697          // Guard against undefined "subtract", e.g., when used as in cssHooks
6698          Math.max( 0, matches[ 2 ] - ( subtract || 0 ) ) + ( matches[ 3 ] || "px" ) :
6699          value;
6700  }
6701  
6702  function boxModelAdjustment( elem, dimension, box, isBorderBox, styles, computedVal ) {
6703      var i = dimension === "width" ? 1 : 0,
6704          extra = 0,
6705          delta = 0;
6706  
6707      // Adjustment may not be necessary
6708      if ( box === ( isBorderBox ? "border" : "content" ) ) {
6709          return 0;
6710      }
6711  
6712      for ( ; i < 4; i += 2 ) {
6713  
6714          // Both box models exclude margin
6715          if ( box === "margin" ) {
6716              delta += jQuery.css( elem, box + cssExpand[ i ], true, styles );
6717          }
6718  
6719          // If we get here with a content-box, we're seeking "padding" or "border" or "margin"
6720          if ( !isBorderBox ) {
6721  
6722              // Add padding
6723              delta += jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
6724  
6725              // For "border" or "margin", add border
6726              if ( box !== "padding" ) {
6727                  delta += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
6728  
6729              // But still keep track of it otherwise
6730              } else {
6731                  extra += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
6732              }
6733  
6734          // If we get here with a border-box (content + padding + border), we're seeking "content" or
6735          // "padding" or "margin"
6736          } else {
6737  
6738              // For "content", subtract padding
6739              if ( box === "content" ) {
6740                  delta -= jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
6741              }
6742  
6743              // For "content" or "padding", subtract border
6744              if ( box !== "margin" ) {
6745                  delta -= jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
6746              }
6747          }
6748      }
6749  
6750      // Account for positive content-box scroll gutter when requested by providing computedVal
6751      if ( !isBorderBox && computedVal >= 0 ) {
6752  
6753          // offsetWidth/offsetHeight is a rounded sum of content, padding, scroll gutter, and border
6754          // Assuming integer scroll gutter, subtract the rest and round down
6755          delta += Math.max( 0, Math.ceil(
6756              elem[ "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ) ] -
6757              computedVal -
6758              delta -
6759              extra -
6760              0.5
6761  
6762          // If offsetWidth/offsetHeight is unknown, then we can't determine content-box scroll gutter
6763          // Use an explicit zero to avoid NaN (gh-3964)
6764          ) ) || 0;
6765      }
6766  
6767      return delta;
6768  }
6769  
6770  function getWidthOrHeight( elem, dimension, extra ) {
6771  
6772      // Start with computed style
6773      var styles = getStyles( elem ),
6774  
6775          // To avoid forcing a reflow, only fetch boxSizing if we need it (gh-4322).
6776          // Fake content-box until we know it's needed to know the true value.
6777          boxSizingNeeded = !support.boxSizingReliable() || extra,
6778          isBorderBox = boxSizingNeeded &&
6779              jQuery.css( elem, "boxSizing", false, styles ) === "border-box",
6780          valueIsBorderBox = isBorderBox,
6781  
6782          val = curCSS( elem, dimension, styles ),
6783          offsetProp = "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 );
6784  
6785      // Support: Firefox <=54
6786      // Return a confounding non-pixel value or feign ignorance, as appropriate.
6787      if ( rnumnonpx.test( val ) ) {
6788          if ( !extra ) {
6789              return val;
6790          }
6791          val = "auto";
6792      }
6793  
6794  
6795      // Support: IE 9 - 11 only
6796      // Use offsetWidth/offsetHeight for when box sizing is unreliable.
6797      // In those cases, the computed value can be trusted to be border-box.
6798      if ( ( !support.boxSizingReliable() && isBorderBox ||
6799  
6800          // Support: IE 10 - 11+, Edge 15 - 18+
6801          // IE/Edge misreport `getComputedStyle` of table rows with width/height
6802          // set in CSS while `offset*` properties report correct values.
6803          // Interestingly, in some cases IE 9 doesn't suffer from this issue.
6804          !support.reliableTrDimensions() && nodeName( elem, "tr" ) ||
6805  
6806          // Fall back to offsetWidth/offsetHeight when value is "auto"
6807          // This happens for inline elements with no explicit setting (gh-3571)
6808          val === "auto" ||
6809  
6810          // Support: Android <=4.1 - 4.3 only
6811          // Also use offsetWidth/offsetHeight for misreported inline dimensions (gh-3602)
6812          !parseFloat( val ) && jQuery.css( elem, "display", false, styles ) === "inline" ) &&
6813  
6814          // Make sure the element is visible & connected
6815          elem.getClientRects().length ) {
6816  
6817          isBorderBox = jQuery.css( elem, "boxSizing", false, styles ) === "border-box";
6818  
6819          // Where available, offsetWidth/offsetHeight approximate border box dimensions.
6820          // Where not available (e.g., SVG), assume unreliable box-sizing and interpret the
6821          // retrieved value as a content box dimension.
6822          valueIsBorderBox = offsetProp in elem;
6823          if ( valueIsBorderBox ) {
6824              val = elem[ offsetProp ];
6825          }
6826      }
6827  
6828      // Normalize "" and auto
6829      val = parseFloat( val ) || 0;
6830  
6831      // Adjust for the element's box model
6832      return ( val +
6833          boxModelAdjustment(
6834              elem,
6835              dimension,
6836              extra || ( isBorderBox ? "border" : "content" ),
6837              valueIsBorderBox,
6838              styles,
6839  
6840              // Provide the current computed size to request scroll gutter calculation (gh-3589)
6841              val
6842          )
6843      ) + "px";
6844  }
6845  
6846  jQuery.extend( {
6847  
6848      // Add in style property hooks for overriding the default
6849      // behavior of getting and setting a style property
6850      cssHooks: {
6851          opacity: {
6852              get: function( elem, computed ) {
6853                  if ( computed ) {
6854  
6855                      // We should always get a number back from opacity
6856                      var ret = curCSS( elem, "opacity" );
6857                      return ret === "" ? "1" : ret;
6858                  }
6859              }
6860          }
6861      },
6862  
6863      // Don't automatically add "px" to these possibly-unitless properties
6864      cssNumber: {
6865          "animationIterationCount": true,
6866          "columnCount": true,
6867          "fillOpacity": true,
6868          "flexGrow": true,
6869          "flexShrink": true,
6870          "fontWeight": true,
6871          "gridArea": true,
6872          "gridColumn": true,
6873          "gridColumnEnd": true,
6874          "gridColumnStart": true,
6875          "gridRow": true,
6876          "gridRowEnd": true,
6877          "gridRowStart": true,
6878          "lineHeight": true,
6879          "opacity": true,
6880          "order": true,
6881          "orphans": true,
6882          "widows": true,
6883          "zIndex": true,
6884          "zoom": true
6885      },
6886  
6887      // Add in properties whose names you wish to fix before
6888      // setting or getting the value
6889      cssProps: {},
6890  
6891      // Get and set the style property on a DOM Node
6892      style: function( elem, name, value, extra ) {
6893  
6894          // Don't set styles on text and comment nodes
6895          if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style ) {
6896              return;
6897          }
6898  
6899          // Make sure that we're working with the right name
6900          var ret, type, hooks,
6901              origName = camelCase( name ),
6902              isCustomProp = rcustomProp.test( name ),
6903              style = elem.style;
6904  
6905          // Make sure that we're working with the right name. We don't
6906          // want to query the value if it is a CSS custom property
6907          // since they are user-defined.
6908          if ( !isCustomProp ) {
6909              name = finalPropName( origName );
6910          }
6911  
6912          // Gets hook for the prefixed version, then unprefixed version
6913          hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
6914  
6915          // Check if we're setting a value
6916          if ( value !== undefined ) {
6917              type = typeof value;
6918  
6919              // Convert "+=" or "-=" to relative numbers (#7345)
6920              if ( type === "string" && ( ret = rcssNum.exec( value ) ) && ret[ 1 ] ) {
6921                  value = adjustCSS( elem, name, ret );
6922  
6923                  // Fixes bug #9237
6924                  type = "number";
6925              }
6926  
6927              // Make sure that null and NaN values aren't set (#7116)
6928              if ( value == null || value !== value ) {
6929                  return;
6930              }
6931  
6932              // If a number was passed in, add the unit (except for certain CSS properties)
6933              // The isCustomProp check can be removed in jQuery 4.0 when we only auto-append
6934              // "px" to a few hardcoded values.
6935              if ( type === "number" && !isCustomProp ) {
6936                  value += ret && ret[ 3 ] || ( jQuery.cssNumber[ origName ] ? "" : "px" );
6937              }
6938  
6939              // background-* props affect original clone's values
6940              if ( !support.clearCloneStyle && value === "" && name.indexOf( "background" ) === 0 ) {
6941                  style[ name ] = "inherit";
6942              }
6943  
6944              // If a hook was provided, use that value, otherwise just set the specified value
6945              if ( !hooks || !( "set" in hooks ) ||
6946                  ( value = hooks.set( elem, value, extra ) ) !== undefined ) {
6947  
6948                  if ( isCustomProp ) {
6949                      style.setProperty( name, value );
6950                  } else {
6951                      style[ name ] = value;
6952                  }
6953              }
6954  
6955          } else {
6956  
6957              // If a hook was provided get the non-computed value from there
6958              if ( hooks && "get" in hooks &&
6959                  ( ret = hooks.get( elem, false, extra ) ) !== undefined ) {
6960  
6961                  return ret;
6962              }
6963  
6964              // Otherwise just get the value from the style object
6965              return style[ name ];
6966          }
6967      },
6968  
6969      css: function( elem, name, extra, styles ) {
6970          var val, num, hooks,
6971              origName = camelCase( name ),
6972              isCustomProp = rcustomProp.test( name );
6973  
6974          // Make sure that we're working with the right name. We don't
6975          // want to modify the value if it is a CSS custom property
6976          // since they are user-defined.
6977          if ( !isCustomProp ) {
6978              name = finalPropName( origName );
6979          }
6980  
6981          // Try prefixed name followed by the unprefixed name
6982          hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
6983  
6984          // If a hook was provided get the computed value from there
6985          if ( hooks && "get" in hooks ) {
6986              val = hooks.get( elem, true, extra );
6987          }
6988  
6989          // Otherwise, if a way to get the computed value exists, use that
6990          if ( val === undefined ) {
6991              val = curCSS( elem, name, styles );
6992          }
6993  
6994          // Convert "normal" to computed value
6995          if ( val === "normal" && name in cssNormalTransform ) {
6996              val = cssNormalTransform[ name ];
6997          }
6998  
6999          // Make numeric if forced or a qualifier was provided and val looks numeric
7000          if ( extra === "" || extra ) {
7001              num = parseFloat( val );
7002              return extra === true || isFinite( num ) ? num || 0 : val;
7003          }
7004  
7005          return val;
7006      }
7007  } );
7008  
7009  jQuery.each( [ "height", "width" ], function( _i, dimension ) {
7010      jQuery.cssHooks[ dimension ] = {
7011          get: function( elem, computed, extra ) {
7012              if ( computed ) {
7013  
7014                  // Certain elements can have dimension info if we invisibly show them
7015                  // but it must have a current display style that would benefit
7016                  return rdisplayswap.test( jQuery.css( elem, "display" ) ) &&
7017  
7018                      // Support: Safari 8+
7019                      // Table columns in Safari have non-zero offsetWidth & zero
7020                      // getBoundingClientRect().width unless display is changed.
7021                      // Support: IE <=11 only
7022                      // Running getBoundingClientRect on a disconnected node
7023                      // in IE throws an error.
7024                      ( !elem.getClientRects().length || !elem.getBoundingClientRect().width ) ?
7025                          swap( elem, cssShow, function() {
7026                              return getWidthOrHeight( elem, dimension, extra );
7027                          } ) :
7028                          getWidthOrHeight( elem, dimension, extra );
7029              }
7030          },
7031  
7032          set: function( elem, value, extra ) {
7033              var matches,
7034                  styles = getStyles( elem ),
7035  
7036                  // Only read styles.position if the test has a chance to fail
7037                  // to avoid forcing a reflow.
7038                  scrollboxSizeBuggy = !support.scrollboxSize() &&
7039                      styles.position === "absolute",
7040  
7041                  // To avoid forcing a reflow, only fetch boxSizing if we need it (gh-3991)
7042                  boxSizingNeeded = scrollboxSizeBuggy || extra,
7043                  isBorderBox = boxSizingNeeded &&
7044                      jQuery.css( elem, "boxSizing", false, styles ) === "border-box",
7045                  subtract = extra ?
7046                      boxModelAdjustment(
7047                          elem,
7048                          dimension,
7049                          extra,
7050                          isBorderBox,
7051                          styles
7052                      ) :
7053                      0;
7054  
7055              // Account for unreliable border-box dimensions by comparing offset* to computed and
7056              // faking a content-box to get border and padding (gh-3699)
7057              if ( isBorderBox && scrollboxSizeBuggy ) {
7058                  subtract -= Math.ceil(
7059                      elem[ "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ) ] -
7060                      parseFloat( styles[ dimension ] ) -
7061                      boxModelAdjustment( elem, dimension, "border", false, styles ) -
7062                      0.5
7063                  );
7064              }
7065  
7066              // Convert to pixels if value adjustment is needed
7067              if ( subtract && ( matches = rcssNum.exec( value ) ) &&
7068                  ( matches[ 3 ] || "px" ) !== "px" ) {
7069  
7070                  elem.style[ dimension ] = value;
7071                  value = jQuery.css( elem, dimension );
7072              }
7073  
7074              return setPositiveNumber( elem, value, subtract );
7075          }
7076      };
7077  } );
7078  
7079  jQuery.cssHooks.marginLeft = addGetHookIf( support.reliableMarginLeft,
7080      function( elem, computed ) {
7081          if ( computed ) {
7082              return ( parseFloat( curCSS( elem, "marginLeft" ) ) ||
7083                  elem.getBoundingClientRect().left -
7084                      swap( elem, { marginLeft: 0 }, function() {
7085                          return elem.getBoundingClientRect().left;
7086                      } )
7087                  ) + "px";
7088          }
7089      }
7090  );
7091  
7092  // These hooks are used by animate to expand properties
7093  jQuery.each( {
7094      margin: "",
7095      padding: "",
7096      border: "Width"
7097  }, function( prefix, suffix ) {
7098      jQuery.cssHooks[ prefix + suffix ] = {
7099          expand: function( value ) {
7100              var i = 0,
7101                  expanded = {},
7102  
7103                  // Assumes a single number if not a string
7104                  parts = typeof value === "string" ? value.split( " " ) : [ value ];
7105  
7106              for ( ; i < 4; i++ ) {
7107                  expanded[ prefix + cssExpand[ i ] + suffix ] =
7108                      parts[ i ] || parts[ i - 2 ] || parts[ 0 ];
7109              }
7110  
7111              return expanded;
7112          }
7113      };
7114  
7115      if ( prefix !== "margin" ) {
7116          jQuery.cssHooks[ prefix + suffix ].set = setPositiveNumber;
7117      }
7118  } );
7119  
7120  jQuery.fn.extend( {
7121      css: function( name, value ) {
7122          return access( this, function( elem, name, value ) {
7123              var styles, len,
7124                  map = {},
7125                  i = 0;
7126  
7127              if ( Array.isArray( name ) ) {
7128                  styles = getStyles( elem );
7129                  len = name.length;
7130  
7131                  for ( ; i < len; i++ ) {
7132                      map[ name[ i ] ] = jQuery.css( elem, name[ i ], false, styles );
7133                  }
7134  
7135                  return map;
7136              }
7137  
7138              return value !== undefined ?
7139                  jQuery.style( elem, name, value ) :
7140                  jQuery.css( elem, name );
7141          }, name, value, arguments.length > 1 );
7142      }
7143  } );
7144  
7145  
7146  function Tween( elem, options, prop, end, easing ) {
7147      return new Tween.prototype.init( elem, options, prop, end, easing );
7148  }
7149  jQuery.Tween = Tween;
7150  
7151  Tween.prototype = {
7152      constructor: Tween,
7153      init: function( elem, options, prop, end, easing, unit ) {
7154          this.elem = elem;
7155          this.prop = prop;
7156          this.easing = easing || jQuery.easing._default;
7157          this.options = options;
7158          this.start = this.now = this.cur();
7159          this.end = end;
7160          this.unit = unit || ( jQuery.cssNumber[ prop ] ? "" : "px" );
7161      },
7162      cur: function() {
7163          var hooks = Tween.propHooks[ this.prop ];
7164  
7165          return hooks && hooks.get ?
7166              hooks.get( this ) :
7167              Tween.propHooks._default.get( this );
7168      },
7169      run: function( percent ) {
7170          var eased,
7171              hooks = Tween.propHooks[ this.prop ];
7172  
7173          if ( this.options.duration ) {
7174              this.pos = eased = jQuery.easing[ this.easing ](
7175                  percent, this.options.duration * percent, 0, 1, this.options.duration
7176              );
7177          } else {
7178              this.pos = eased = percent;
7179          }
7180          this.now = ( this.end - this.start ) * eased + this.start;
7181  
7182          if ( this.options.step ) {
7183              this.options.step.call( this.elem, this.now, this );
7184          }
7185  
7186          if ( hooks && hooks.set ) {
7187              hooks.set( this );
7188          } else {
7189              Tween.propHooks._default.set( this );
7190          }
7191          return this;
7192      }
7193  };
7194  
7195  Tween.prototype.init.prototype = Tween.prototype;
7196  
7197  Tween.propHooks = {
7198      _default: {
7199          get: function( tween ) {
7200              var result;
7201  
7202              // Use a property on the element directly when it is not a DOM element,
7203              // or when there is no matching style property that exists.
7204              if ( tween.elem.nodeType !== 1 ||
7205                  tween.elem[ tween.prop ] != null && tween.elem.style[ tween.prop ] == null ) {
7206                  return tween.elem[ tween.prop ];
7207              }
7208  
7209              // Passing an empty string as a 3rd parameter to .css will automatically
7210              // attempt a parseFloat and fallback to a string if the parse fails.
7211              // Simple values such as "10px" are parsed to Float;
7212              // complex values such as "rotate(1rad)" are returned as-is.
7213              result = jQuery.css( tween.elem, tween.prop, "" );
7214  
7215              // Empty strings, null, undefined and "auto" are converted to 0.
7216              return !result || result === "auto" ? 0 : result;
7217          },
7218          set: function( tween ) {
7219  
7220              // Use step hook for back compat.
7221              // Use cssHook if its there.
7222              // Use .style if available and use plain properties where available.
7223              if ( jQuery.fx.step[ tween.prop ] ) {
7224                  jQuery.fx.step[ tween.prop ]( tween );
7225              } else if ( tween.elem.nodeType === 1 && (
7226                      jQuery.cssHooks[ tween.prop ] ||
7227                      tween.elem.style[ finalPropName( tween.prop ) ] != null ) ) {
7228                  jQuery.style( tween.elem, tween.prop, tween.now + tween.unit );
7229              } else {
7230                  tween.elem[ tween.prop ] = tween.now;
7231              }
7232          }
7233      }
7234  };
7235  
7236  // Support: IE <=9 only
7237  // Panic based approach to setting things on disconnected nodes
7238  Tween.propHooks.scrollTop = Tween.propHooks.scrollLeft = {
7239      set: function( tween ) {
7240          if ( tween.elem.nodeType && tween.elem.parentNode ) {
7241              tween.elem[ tween.prop ] = tween.now;
7242          }
7243      }
7244  };
7245  
7246  jQuery.easing = {
7247      linear: function( p ) {
7248          return p;
7249      },
7250      swing: function( p ) {
7251          return 0.5 - Math.cos( p * Math.PI ) / 2;
7252      },
7253      _default: "swing"
7254  };
7255  
7256  jQuery.fx = Tween.prototype.init;
7257  
7258  // Back compat <1.8 extension point
7259  jQuery.fx.step = {};
7260  
7261  
7262  
7263  
7264  var
7265      fxNow, inProgress,
7266      rfxtypes = /^(?:toggle|show|hide)$/,
7267      rrun = /queueHooks$/;
7268  
7269  function schedule() {
7270      if ( inProgress ) {
7271          if ( document.hidden === false && window.requestAnimationFrame ) {
7272              window.requestAnimationFrame( schedule );
7273          } else {
7274              window.setTimeout( schedule, jQuery.fx.interval );
7275          }
7276  
7277          jQuery.fx.tick();
7278      }
7279  }
7280  
7281  // Animations created synchronously will run synchronously
7282  function createFxNow() {
7283      window.setTimeout( function() {
7284          fxNow = undefined;
7285      } );
7286      return ( fxNow = Date.now() );
7287  }
7288  
7289  // Generate parameters to create a standard animation
7290  function genFx( type, includeWidth ) {
7291      var which,
7292          i = 0,
7293          attrs = { height: type };
7294  
7295      // If we include width, step value is 1 to do all cssExpand values,
7296      // otherwise step value is 2 to skip over Left and Right
7297      includeWidth = includeWidth ? 1 : 0;
7298      for ( ; i < 4; i += 2 - includeWidth ) {
7299          which = cssExpand[ i ];
7300          attrs[ "margin" + which ] = attrs[ "padding" + which ] = type;
7301      }
7302  
7303      if ( includeWidth ) {
7304          attrs.opacity = attrs.width = type;
7305      }
7306  
7307      return attrs;
7308  }
7309  
7310  function createTween( value, prop, animation ) {
7311      var tween,
7312          collection = ( Animation.tweeners[ prop ] || [] ).concat( Animation.tweeners[ "*" ] ),
7313          index = 0,
7314          length = collection.length;
7315      for ( ; index < length; index++ ) {
7316          if ( ( tween = collection[ index ].call( animation, prop, value ) ) ) {
7317  
7318              // We're done with this property
7319              return tween;
7320          }
7321      }
7322  }
7323  
7324  function defaultPrefilter( elem, props, opts ) {
7325      var prop, value, toggle, hooks, oldfire, propTween, restoreDisplay, display,
7326          isBox = "width" in props || "height" in props,
7327          anim = this,
7328          orig = {},
7329          style = elem.style,
7330          hidden = elem.nodeType && isHiddenWithinTree( elem ),
7331          dataShow = dataPriv.get( elem, "fxshow" );
7332  
7333      // Queue-skipping animations hijack the fx hooks
7334      if ( !opts.queue ) {
7335          hooks = jQuery._queueHooks( elem, "fx" );
7336          if ( hooks.unqueued == null ) {
7337              hooks.unqueued = 0;
7338              oldfire = hooks.empty.fire;
7339              hooks.empty.fire = function() {
7340                  if ( !hooks.unqueued ) {
7341                      oldfire();
7342                  }
7343              };
7344          }
7345          hooks.unqueued++;
7346  
7347          anim.always( function() {
7348  
7349              // Ensure the complete handler is called before this completes
7350              anim.always( function() {
7351                  hooks.unqueued--;
7352                  if ( !jQuery.queue( elem, "fx" ).length ) {
7353                      hooks.empty.fire();
7354                  }
7355              } );
7356          } );
7357      }
7358  
7359      // Detect show/hide animations
7360      for ( prop in props ) {
7361          value = props[ prop ];
7362          if ( rfxtypes.test( value ) ) {
7363              delete props[ prop ];
7364              toggle = toggle || value === "toggle";
7365              if ( value === ( hidden ? "hide" : "show" ) ) {
7366  
7367                  // Pretend to be hidden if this is a "show" and
7368                  // there is still data from a stopped show/hide
7369                  if ( value === "show" && dataShow && dataShow[ prop ] !== undefined ) {
7370                      hidden = true;
7371  
7372                  // Ignore all other no-op show/hide data
7373                  } else {
7374                      continue;
7375                  }
7376              }
7377              orig[ prop ] = dataShow && dataShow[ prop ] || jQuery.style( elem, prop );
7378          }
7379      }
7380  
7381      // Bail out if this is a no-op like .hide().hide()
7382      propTween = !jQuery.isEmptyObject( props );
7383      if ( !propTween && jQuery.isEmptyObject( orig ) ) {
7384          return;
7385      }
7386  
7387      // Restrict "overflow" and "display" styles during box animations
7388      if ( isBox && elem.nodeType === 1 ) {
7389  
7390          // Support: IE <=9 - 11, Edge 12 - 15
7391          // Record all 3 overflow attributes because IE does not infer the shorthand
7392          // from identically-valued overflowX and overflowY and Edge just mirrors
7393          // the overflowX value there.
7394          opts.overflow = [ style.overflow, style.overflowX, style.overflowY ];
7395  
7396          // Identify a display type, preferring old show/hide data over the CSS cascade
7397          restoreDisplay = dataShow && dataShow.display;
7398          if ( restoreDisplay == null ) {
7399              restoreDisplay = dataPriv.get( elem, "display" );
7400          }
7401          display = jQuery.css( elem, "display" );
7402          if ( display === "none" ) {
7403              if ( restoreDisplay ) {
7404                  display = restoreDisplay;
7405              } else {
7406  
7407                  // Get nonempty value(s) by temporarily forcing visibility
7408                  showHide( [ elem ], true );
7409                  restoreDisplay = elem.style.display || restoreDisplay;
7410                  display = jQuery.css( elem, "display" );
7411                  showHide( [ elem ] );
7412              }
7413          }
7414  
7415          // Animate inline elements as inline-block
7416          if ( display === "inline" || display === "inline-block" && restoreDisplay != null ) {
7417              if ( jQuery.css( elem, "float" ) === "none" ) {
7418  
7419                  // Restore the original display value at the end of pure show/hide animations
7420                  if ( !propTween ) {
7421                      anim.done( function() {
7422                          style.display = restoreDisplay;
7423                      } );
7424                      if ( restoreDisplay == null ) {
7425                          display = style.display;
7426                          restoreDisplay = display === "none" ? "" : display;
7427                      }
7428                  }
7429                  style.display = "inline-block";
7430              }
7431          }
7432      }
7433  
7434      if ( opts.overflow ) {
7435          style.overflow = "hidden";
7436          anim.always( function() {
7437              style.overflow = opts.overflow[ 0 ];
7438              style.overflowX = opts.overflow[ 1 ];
7439              style.overflowY = opts.overflow[ 2 ];
7440          } );
7441      }
7442  
7443      // Implement show/hide animations
7444      propTween = false;
7445      for ( prop in orig ) {
7446  
7447          // General show/hide setup for this element animation
7448          if ( !propTween ) {
7449              if ( dataShow ) {
7450                  if ( "hidden" in dataShow ) {
7451                      hidden = dataShow.hidden;
7452                  }
7453              } else {
7454                  dataShow = dataPriv.access( elem, "fxshow", { display: restoreDisplay } );
7455              }
7456  
7457              // Store hidden/visible for toggle so `.stop().toggle()` "reverses"
7458              if ( toggle ) {
7459                  dataShow.hidden = !hidden;
7460              }
7461  
7462              // Show elements before animating them
7463              if ( hidden ) {
7464                  showHide( [ elem ], true );
7465              }
7466  
7467              /* eslint-disable no-loop-func */
7468  
7469              anim.done( function() {
7470  
7471              /* eslint-enable no-loop-func */
7472  
7473                  // The final step of a "hide" animation is actually hiding the element
7474                  if ( !hidden ) {
7475                      showHide( [ elem ] );
7476                  }
7477                  dataPriv.remove( elem, "fxshow" );
7478                  for ( prop in orig ) {
7479                      jQuery.style( elem, prop, orig[ prop ] );
7480                  }
7481              } );
7482          }
7483  
7484          // Per-property setup
7485          propTween = createTween( hidden ? dataShow[ prop ] : 0, prop, anim );
7486          if ( !( prop in dataShow ) ) {
7487              dataShow[ prop ] = propTween.start;
7488              if ( hidden ) {
7489                  propTween.end = propTween.start;
7490                  propTween.start = 0;
7491              }
7492          }
7493      }
7494  }
7495  
7496  function propFilter( props, specialEasing ) {
7497      var index, name, easing, value, hooks;
7498  
7499      // camelCase, specialEasing and expand cssHook pass
7500      for ( index in props ) {
7501          name = camelCase( index );
7502          easing = specialEasing[ name ];
7503          value = props[ index ];
7504          if ( Array.isArray( value ) ) {
7505              easing = value[ 1 ];
7506              value = props[ index ] = value[ 0 ];
7507          }
7508  
7509          if ( index !== name ) {
7510              props[ name ] = value;
7511              delete props[ index ];
7512          }
7513  
7514          hooks = jQuery.cssHooks[ name ];
7515          if ( hooks && "expand" in hooks ) {
7516              value = hooks.expand( value );
7517              delete props[ name ];
7518  
7519              // Not quite $.extend, this won't overwrite existing keys.
7520              // Reusing 'index' because we have the correct "name"
7521              for ( index in value ) {
7522                  if ( !( index in props ) ) {
7523                      props[ index ] = value[ index ];
7524                      specialEasing[ index ] = easing;
7525                  }
7526              }
7527          } else {
7528              specialEasing[ name ] = easing;
7529          }
7530      }
7531  }
7532  
7533  function Animation( elem, properties, options ) {
7534      var result,
7535          stopped,
7536          index = 0,
7537          length = Animation.prefilters.length,
7538          deferred = jQuery.Deferred().always( function() {
7539  
7540              // Don't match elem in the :animated selector
7541              delete tick.elem;
7542          } ),
7543          tick = function() {
7544              if ( stopped ) {
7545                  return false;
7546              }
7547              var currentTime = fxNow || createFxNow(),
7548                  remaining = Math.max( 0, animation.startTime + animation.duration - currentTime ),
7549  
7550                  // Support: Android 2.3 only
7551                  // Archaic crash bug won't allow us to use `1 - ( 0.5 || 0 )` (#12497)
7552                  temp = remaining / animation.duration || 0,
7553                  percent = 1 - temp,
7554                  index = 0,
7555                  length = animation.tweens.length;
7556  
7557              for ( ; index < length; index++ ) {
7558                  animation.tweens[ index ].run( percent );
7559              }
7560  
7561              deferred.notifyWith( elem, [ animation, percent, remaining ] );
7562  
7563              // If there's more to do, yield
7564              if ( percent < 1 && length ) {
7565                  return remaining;
7566              }
7567  
7568              // If this was an empty animation, synthesize a final progress notification
7569              if ( !length ) {
7570                  deferred.notifyWith( elem, [ animation, 1, 0 ] );
7571              }
7572  
7573              // Resolve the animation and report its conclusion
7574              deferred.resolveWith( elem, [ animation ] );
7575              return false;
7576          },
7577          animation = deferred.promise( {
7578              elem: elem,
7579              props: jQuery.extend( {}, properties ),
7580              opts: jQuery.extend( true, {
7581                  specialEasing: {},
7582                  easing: jQuery.easing._default
7583              }, options ),
7584              originalProperties: properties,
7585              originalOptions: options,
7586              startTime: fxNow || createFxNow(),
7587              duration: options.duration,
7588              tweens: [],
7589              createTween: function( prop, end ) {
7590                  var tween = jQuery.Tween( elem, animation.opts, prop, end,
7591                          animation.opts.specialEasing[ prop ] || animation.opts.easing );
7592                  animation.tweens.push( tween );
7593                  return tween;
7594              },
7595              stop: function( gotoEnd ) {
7596                  var index = 0,
7597  
7598                      // If we are going to the end, we want to run all the tweens
7599                      // otherwise we skip this part
7600                      length = gotoEnd ? animation.tweens.length : 0;
7601                  if ( stopped ) {
7602                      return this;
7603                  }
7604                  stopped = true;
7605                  for ( ; index < length; index++ ) {
7606                      animation.tweens[ index ].run( 1 );
7607                  }
7608  
7609                  // Resolve when we played the last frame; otherwise, reject
7610                  if ( gotoEnd ) {
7611                      deferred.notifyWith( elem, [ animation, 1, 0 ] );
7612                      deferred.resolveWith( elem, [ animation, gotoEnd ] );
7613                  } else {
7614                      deferred.rejectWith( elem, [ animation, gotoEnd ] );
7615                  }
7616                  return this;
7617              }
7618          } ),
7619          props = animation.props;
7620  
7621      propFilter( props, animation.opts.specialEasing );
7622  
7623      for ( ; index < length; index++ ) {
7624          result = Animation.prefilters[ index ].call( animation, elem, props, animation.opts );
7625          if ( result ) {
7626              if ( isFunction( result.stop ) ) {
7627                  jQuery._queueHooks( animation.elem, animation.opts.queue ).stop =
7628                      result.stop.bind( result );
7629              }
7630              return result;
7631          }
7632      }
7633  
7634      jQuery.map( props, createTween, animation );
7635  
7636      if ( isFunction( animation.opts.start ) ) {
7637          animation.opts.start.call( elem, animation );
7638      }
7639  
7640      // Attach callbacks from options
7641      animation
7642          .progress( animation.opts.progress )
7643          .done( animation.opts.done, animation.opts.complete )
7644          .fail( animation.opts.fail )
7645          .always( animation.opts.always );
7646  
7647      jQuery.fx.timer(
7648          jQuery.extend( tick, {
7649              elem: elem,
7650              anim: animation,
7651              queue: animation.opts.queue
7652          } )
7653      );
7654  
7655      return animation;
7656  }
7657  
7658  jQuery.Animation = jQuery.extend( Animation, {
7659  
7660      tweeners: {
7661          "*": [ function( prop, value ) {
7662              var tween = this.createTween( prop, value );
7663              adjustCSS( tween.elem, prop, rcssNum.exec( value ), tween );
7664              return tween;
7665          } ]
7666      },
7667  
7668      tweener: function( props, callback ) {
7669          if ( isFunction( props ) ) {
7670              callback = props;
7671              props = [ "*" ];
7672          } else {
7673              props = props.match( rnothtmlwhite );
7674          }
7675  
7676          var prop,
7677              index = 0,
7678              length = props.length;
7679  
7680          for ( ; index < length; index++ ) {
7681              prop = props[ index ];
7682              Animation.tweeners[ prop ] = Animation.tweeners[ prop ] || [];
7683              Animation.tweeners[ prop ].unshift( callback );
7684          }
7685      },
7686  
7687      prefilters: [ defaultPrefilter ],
7688  
7689      prefilter: function( callback, prepend ) {
7690          if ( prepend ) {
7691              Animation.prefilters.unshift( callback );
7692          } else {
7693              Animation.prefilters.push( callback );
7694          }
7695      }
7696  } );
7697  
7698  jQuery.speed = function( speed, easing, fn ) {
7699      var opt = speed && typeof speed === "object" ? jQuery.extend( {}, speed ) : {
7700          complete: fn || !fn && easing ||
7701              isFunction( speed ) && speed,
7702          duration: speed,
7703          easing: fn && easing || easing && !isFunction( easing ) && easing
7704      };
7705  
7706      // Go to the end state if fx are off
7707      if ( jQuery.fx.off ) {
7708          opt.duration = 0;
7709  
7710      } else {
7711          if ( typeof opt.duration !== "number" ) {
7712              if ( opt.duration in jQuery.fx.speeds ) {
7713                  opt.duration = jQuery.fx.speeds[ opt.duration ];
7714  
7715              } else {
7716                  opt.duration = jQuery.fx.speeds._default;
7717              }
7718          }
7719      }
7720  
7721      // Normalize opt.queue - true/undefined/null -> "fx"
7722      if ( opt.queue == null || opt.queue === true ) {
7723          opt.queue = "fx";
7724      }
7725  
7726      // Queueing
7727      opt.old = opt.complete;
7728  
7729      opt.complete = function() {
7730          if ( isFunction( opt.old ) ) {
7731              opt.old.call( this );
7732          }
7733  
7734          if ( opt.queue ) {
7735              jQuery.dequeue( this, opt.queue );
7736          }
7737      };
7738  
7739      return opt;
7740  };
7741  
7742  jQuery.fn.extend( {
7743      fadeTo: function( speed, to, easing, callback ) {
7744  
7745          // Show any hidden elements after setting opacity to 0
7746          return this.filter( isHiddenWithinTree ).css( "opacity", 0 ).show()
7747  
7748              // Animate to the value specified
7749              .end().animate( { opacity: to }, speed, easing, callback );
7750      },
7751      animate: function( prop, speed, easing, callback ) {
7752          var empty = jQuery.isEmptyObject( prop ),
7753              optall = jQuery.speed( speed, easing, callback ),
7754              doAnimation = function() {
7755  
7756                  // Operate on a copy of prop so per-property easing won't be lost
7757                  var anim = Animation( this, jQuery.extend( {}, prop ), optall );
7758  
7759                  // Empty animations, or finishing resolves immediately
7760                  if ( empty || dataPriv.get( this, "finish" ) ) {
7761                      anim.stop( true );
7762                  }
7763              };
7764              doAnimation.finish = doAnimation;
7765  
7766          return empty || optall.queue === false ?
7767              this.each( doAnimation ) :
7768              this.queue( optall.queue, doAnimation );
7769      },
7770      stop: function( type, clearQueue, gotoEnd ) {
7771          var stopQueue = function( hooks ) {
7772              var stop = hooks.stop;
7773              delete hooks.stop;
7774              stop( gotoEnd );
7775          };
7776  
7777          if ( typeof type !== "string" ) {
7778              gotoEnd = clearQueue;
7779              clearQueue = type;
7780              type = undefined;
7781          }
7782          if ( clearQueue ) {
7783              this.queue( type || "fx", [] );
7784          }
7785  
7786          return this.each( function() {
7787              var dequeue = true,
7788                  index = type != null && type + "queueHooks",
7789                  timers = jQuery.timers,
7790                  data = dataPriv.get( this );
7791  
7792              if ( index ) {
7793                  if ( data[ index ] && data[ index ].stop ) {
7794                      stopQueue( data[ index ] );
7795                  }
7796              } else {
7797                  for ( index in data ) {
7798                      if ( data[ index ] && data[ index ].stop && rrun.test( index ) ) {
7799                          stopQueue( data[ index ] );
7800                      }
7801                  }
7802              }
7803  
7804              for ( index = timers.length; index--; ) {
7805                  if ( timers[ index ].elem === this &&
7806                      ( type == null || timers[ index ].queue === type ) ) {
7807  
7808                      timers[ index ].anim.stop( gotoEnd );
7809                      dequeue = false;
7810                      timers.splice( index, 1 );
7811                  }
7812              }
7813  
7814              // Start the next in the queue if the last step wasn't forced.
7815              // Timers currently will call their complete callbacks, which
7816              // will dequeue but only if they were gotoEnd.
7817              if ( dequeue || !gotoEnd ) {
7818                  jQuery.dequeue( this, type );
7819              }
7820          } );
7821      },
7822      finish: function( type ) {
7823          if ( type !== false ) {
7824              type = type || "fx";
7825          }
7826          return this.each( function() {
7827              var index,
7828                  data = dataPriv.get( this ),
7829                  queue = data[ type + "queue" ],
7830                  hooks = data[ type + "queueHooks" ],
7831                  timers = jQuery.timers,
7832                  length = queue ? queue.length : 0;
7833  
7834              // Enable finishing flag on private data
7835              data.finish = true;
7836  
7837              // Empty the queue first
7838              jQuery.queue( this, type, [] );
7839  
7840              if ( hooks && hooks.stop ) {
7841                  hooks.stop.call( this, true );
7842              }
7843  
7844              // Look for any active animations, and finish them
7845              for ( index = timers.length; index--; ) {
7846                  if ( timers[ index ].elem === this && timers[ index ].queue === type ) {
7847                      timers[ index ].anim.stop( true );
7848                      timers.splice( index, 1 );
7849                  }
7850              }
7851  
7852              // Look for any animations in the old queue and finish them
7853              for ( index = 0; index < length; index++ ) {
7854                  if ( queue[ index ] && queue[ index ].finish ) {
7855                      queue[ index ].finish.call( this );
7856                  }
7857              }
7858  
7859              // Turn off finishing flag
7860              delete data.finish;
7861          } );
7862      }
7863  } );
7864  
7865  jQuery.each( [ "toggle", "show", "hide" ], function( _i, name ) {
7866      var cssFn = jQuery.fn[ name ];
7867      jQuery.fn[ name ] = function( speed, easing, callback ) {
7868          return speed == null || typeof speed === "boolean" ?
7869              cssFn.apply( this, arguments ) :
7870              this.animate( genFx( name, true ), speed, easing, callback );
7871      };
7872  } );
7873  
7874  // Generate shortcuts for custom animations
7875  jQuery.each( {
7876      slideDown: genFx( "show" ),
7877      slideUp: genFx( "hide" ),
7878      slideToggle: genFx( "toggle" ),
7879      fadeIn: { opacity: "show" },
7880      fadeOut: { opacity: "hide" },
7881      fadeToggle: { opacity: "toggle" }
7882  }, function( name, props ) {
7883      jQuery.fn[ name ] = function( speed, easing, callback ) {
7884          return this.animate( props, speed, easing, callback );
7885      };
7886  } );
7887  
7888  jQuery.timers = [];
7889  jQuery.fx.tick = function() {
7890      var timer,
7891          i = 0,
7892          timers = jQuery.timers;
7893  
7894      fxNow = Date.now();
7895  
7896      for ( ; i < timers.length; i++ ) {
7897          timer = timers[ i ];
7898  
7899          // Run the timer and safely remove it when done (allowing for external removal)
7900          if ( !timer() && timers[ i ] === timer ) {
7901              timers.splice( i--, 1 );
7902          }
7903      }
7904  
7905      if ( !timers.length ) {
7906          jQuery.fx.stop();
7907      }
7908      fxNow = undefined;
7909  };
7910  
7911  jQuery.fx.timer = function( timer ) {
7912      jQuery.timers.push( timer );
7913      jQuery.fx.start();
7914  };
7915  
7916  jQuery.fx.interval = 13;
7917  jQuery.fx.start = function() {
7918      if ( inProgress ) {
7919          return;
7920      }
7921  
7922      inProgress = true;
7923      schedule();
7924  };
7925  
7926  jQuery.fx.stop = function() {
7927      inProgress = null;
7928  };
7929  
7930  jQuery.fx.speeds = {
7931      slow: 600,
7932      fast: 200,
7933  
7934      // Default speed
7935      _default: 400
7936  };
7937  
7938  
7939  // Based off of the plugin by Clint Helfers, with permission.
7940  // https://web.archive.org/web/20100324014747/http://blindsignals.com/index.php/2009/07/jquery-delay/
7941  jQuery.fn.delay = function( time, type ) {
7942      time = jQuery.fx ? jQuery.fx.speeds[ time ] || time : time;
7943      type = type || "fx";
7944  
7945      return this.queue( type, function( next, hooks ) {
7946          var timeout = window.setTimeout( next, time );
7947          hooks.stop = function() {
7948              window.clearTimeout( timeout );
7949          };
7950      } );
7951  };
7952  
7953  
7954  ( function() {
7955      var input = document.createElement( "input" ),
7956          select = document.createElement( "select" ),
7957          opt = select.appendChild( document.createElement( "option" ) );
7958  
7959      input.type = "checkbox";
7960  
7961      // Support: Android <=4.3 only
7962      // Default value for a checkbox should be "on"
7963      support.checkOn = input.value !== "";
7964  
7965      // Support: IE <=11 only
7966      // Must access selectedIndex to make default options select
7967      support.optSelected = opt.selected;
7968  
7969      // Support: IE <=11 only
7970      // An input loses its value after becoming a radio
7971      input = document.createElement( "input" );
7972      input.value = "t";
7973      input.type = "radio";
7974      support.radioValue = input.value === "t";
7975  } )();
7976  
7977  
7978  var boolHook,
7979      attrHandle = jQuery.expr.attrHandle;
7980  
7981  jQuery.fn.extend( {
7982      attr: function( name, value ) {
7983          return access( this, jQuery.attr, name, value, arguments.length > 1 );
7984      },
7985  
7986      removeAttr: function( name ) {
7987          return this.each( function() {
7988              jQuery.removeAttr( this, name );
7989          } );
7990      }
7991  } );
7992  
7993  jQuery.extend( {
7994      attr: function( elem, name, value ) {
7995          var ret, hooks,
7996              nType = elem.nodeType;
7997  
7998          // Don't get/set attributes on text, comment and attribute nodes
7999          if ( nType === 3 || nType === 8 || nType === 2 ) {
8000              return;
8001          }
8002  
8003          // Fallback to prop when attributes are not supported
8004          if ( typeof elem.getAttribute === "undefined" ) {
8005              return jQuery.prop( elem, name, value );
8006          }
8007  
8008          // Attribute hooks are determined by the lowercase version
8009          // Grab necessary hook if one is defined
8010          if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
8011              hooks = jQuery.attrHooks[ name.toLowerCase() ] ||
8012                  ( jQuery.expr.match.bool.test( name ) ? boolHook : undefined );
8013          }
8014  
8015          if ( value !== undefined ) {
8016              if ( value === null ) {
8017                  jQuery.removeAttr( elem, name );
8018                  return;
8019              }
8020  
8021              if ( hooks && "set" in hooks &&
8022                  ( ret = hooks.set( elem, value, name ) ) !== undefined ) {
8023                  return ret;
8024              }
8025  
8026              elem.setAttribute( name, value + "" );
8027              return value;
8028          }
8029  
8030          if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) {
8031              return ret;
8032          }
8033  
8034          ret = jQuery.find.attr( elem, name );
8035  
8036          // Non-existent attributes return null, we normalize to undefined
8037          return ret == null ? undefined : ret;
8038      },
8039  
8040      attrHooks: {
8041          type: {
8042              set: function( elem, value ) {
8043                  if ( !support.radioValue && value === "radio" &&
8044                      nodeName( elem, "input" ) ) {
8045                      var val = elem.value;
8046                      elem.setAttribute( "type", value );
8047                      if ( val ) {
8048                          elem.value = val;
8049                      }
8050                      return value;
8051                  }
8052              }
8053          }
8054      },
8055  
8056      removeAttr: function( elem, value ) {
8057          var name,
8058              i = 0,
8059  
8060              // Attribute names can contain non-HTML whitespace characters
8061              // https://html.spec.whatwg.org/multipage/syntax.html#attributes-2
8062              attrNames = value && value.match( rnothtmlwhite );
8063  
8064          if ( attrNames && elem.nodeType === 1 ) {
8065              while ( ( name = attrNames[ i++ ] ) ) {
8066                  elem.removeAttribute( name );
8067              }
8068          }
8069      }
8070  } );
8071  
8072  // Hooks for boolean attributes
8073  boolHook = {
8074      set: function( elem, value, name ) {
8075          if ( value === false ) {
8076  
8077              // Remove boolean attributes when set to false
8078              jQuery.removeAttr( elem, name );
8079          } else {
8080              elem.setAttribute( name, name );
8081          }
8082          return name;
8083      }
8084  };
8085  
8086  jQuery.each( jQuery.expr.match.bool.source.match( /\w+/g ), function( _i, name ) {
8087      var getter = attrHandle[ name ] || jQuery.find.attr;
8088  
8089      attrHandle[ name ] = function( elem, name, isXML ) {
8090          var ret, handle,
8091              lowercaseName = name.toLowerCase();
8092  
8093          if ( !isXML ) {
8094  
8095              // Avoid an infinite loop by temporarily removing this function from the getter
8096              handle = attrHandle[ lowercaseName ];
8097              attrHandle[ lowercaseName ] = ret;
8098              ret = getter( elem, name, isXML ) != null ?
8099                  lowercaseName :
8100                  null;
8101              attrHandle[ lowercaseName ] = handle;
8102          }
8103          return ret;
8104      };
8105  } );
8106  
8107  
8108  
8109  
8110  var rfocusable = /^(?:input|select|textarea|button)$/i,
8111      rclickable = /^(?:a|area)$/i;
8112  
8113  jQuery.fn.extend( {
8114      prop: function( name, value ) {
8115          return access( this, jQuery.prop, name, value, arguments.length > 1 );
8116      },
8117  
8118      removeProp: function( name ) {
8119          return this.each( function() {
8120              delete this[ jQuery.propFix[ name ] || name ];
8121          } );
8122      }
8123  } );
8124  
8125  jQuery.extend( {
8126      prop: function( elem, name, value ) {
8127          var ret, hooks,
8128              nType = elem.nodeType;
8129  
8130          // Don't get/set properties on text, comment and attribute nodes
8131          if ( nType === 3 || nType === 8 || nType === 2 ) {
8132              return;
8133          }
8134  
8135          if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
8136  
8137              // Fix name and attach hooks
8138              name = jQuery.propFix[ name ] || name;
8139              hooks = jQuery.propHooks[ name ];
8140          }
8141  
8142          if ( value !== undefined ) {
8143              if ( hooks && "set" in hooks &&
8144                  ( ret = hooks.set( elem, value, name ) ) !== undefined ) {
8145                  return ret;
8146              }
8147  
8148              return ( elem[ name ] = value );
8149          }
8150  
8151          if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) {
8152              return ret;
8153          }
8154  
8155          return elem[ name ];
8156      },
8157  
8158      propHooks: {
8159          tabIndex: {
8160              get: function( elem ) {
8161  
8162                  // Support: IE <=9 - 11 only
8163                  // elem.tabIndex doesn't always return the
8164                  // correct value when it hasn't been explicitly set
8165                  // https://web.archive.org/web/20141116233347/http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/
8166                  // Use proper attribute retrieval(#12072)
8167                  var tabindex = jQuery.find.attr( elem, "tabindex" );
8168  
8169                  if ( tabindex ) {
8170                      return parseInt( tabindex, 10 );
8171                  }
8172  
8173                  if (
8174                      rfocusable.test( elem.nodeName ) ||
8175                      rclickable.test( elem.nodeName ) &&
8176                      elem.href
8177                  ) {
8178                      return 0;
8179                  }
8180  
8181                  return -1;
8182              }
8183          }
8184      },
8185  
8186      propFix: {
8187          "for": "htmlFor",
8188          "class": "className"
8189      }
8190  } );
8191  
8192  // Support: IE <=11 only
8193  // Accessing the selectedIndex property
8194  // forces the browser to respect setting selected
8195  // on the option
8196  // The getter ensures a default option is selected
8197  // when in an optgroup
8198  // eslint rule "no-unused-expressions" is disabled for this code
8199  // since it considers such accessions noop
8200  if ( !support.optSelected ) {
8201      jQuery.propHooks.selected = {
8202          get: function( elem ) {
8203  
8204              /* eslint no-unused-expressions: "off" */
8205  
8206              var parent = elem.parentNode;
8207              if ( parent && parent.parentNode ) {
8208                  parent.parentNode.selectedIndex;
8209              }
8210              return null;
8211          },
8212          set: function( elem ) {
8213  
8214              /* eslint no-unused-expressions: "off" */
8215  
8216              var parent = elem.parentNode;
8217              if ( parent ) {
8218                  parent.selectedIndex;
8219  
8220                  if ( parent.parentNode ) {
8221                      parent.parentNode.selectedIndex;
8222                  }
8223              }
8224          }
8225      };
8226  }
8227  
8228  jQuery.each( [
8229      "tabIndex",
8230      "readOnly",
8231      "maxLength",
8232      "cellSpacing",
8233      "cellPadding",
8234      "rowSpan",
8235      "colSpan",
8236      "useMap",
8237      "frameBorder",
8238      "contentEditable"
8239  ], function() {
8240      jQuery.propFix[ this.toLowerCase() ] = this;
8241  } );
8242  
8243  
8244  
8245  
8246      // Strip and collapse whitespace according to HTML spec
8247      // https://infra.spec.whatwg.org/#strip-and-collapse-ascii-whitespace
8248  	function stripAndCollapse( value ) {
8249          var tokens = value.match( rnothtmlwhite ) || [];
8250          return tokens.join( " " );
8251      }
8252  
8253  
8254  function getClass( elem ) {
8255      return elem.getAttribute && elem.getAttribute( "class" ) || "";
8256  }
8257  
8258  function classesToArray( value ) {
8259      if ( Array.isArray( value ) ) {
8260          return value;
8261      }
8262      if ( typeof value === "string" ) {
8263          return value.match( rnothtmlwhite ) || [];
8264      }
8265      return [];
8266  }
8267  
8268  jQuery.fn.extend( {
8269      addClass: function( value ) {
8270          var classes, elem, cur, curValue, clazz, j, finalValue,
8271              i = 0;
8272  
8273          if ( isFunction( value ) ) {
8274              return this.each( function( j ) {
8275                  jQuery( this ).addClass( value.call( this, j, getClass( this ) ) );
8276              } );
8277          }
8278  
8279          classes = classesToArray( value );
8280  
8281          if ( classes.length ) {
8282              while ( ( elem = this[ i++ ] ) ) {
8283                  curValue = getClass( elem );
8284                  cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " );
8285  
8286                  if ( cur ) {
8287                      j = 0;
8288                      while ( ( clazz = classes[ j++ ] ) ) {
8289                          if ( cur.indexOf( " " + clazz + " " ) < 0 ) {
8290                              cur += clazz + " ";
8291                          }
8292                      }
8293  
8294                      // Only assign if different to avoid unneeded rendering.
8295                      finalValue = stripAndCollapse( cur );
8296                      if ( curValue !== finalValue ) {
8297                          elem.setAttribute( "class", finalValue );
8298                      }
8299                  }
8300              }
8301          }
8302  
8303          return this;
8304      },
8305  
8306      removeClass: function( value ) {
8307          var classes, elem, cur, curValue, clazz, j, finalValue,
8308              i = 0;
8309  
8310          if ( isFunction( value ) ) {
8311              return this.each( function( j ) {
8312                  jQuery( this ).removeClass( value.call( this, j, getClass( this ) ) );
8313              } );
8314          }
8315  
8316          if ( !arguments.length ) {
8317              return this.attr( "class", "" );
8318          }
8319  
8320          classes = classesToArray( value );
8321  
8322          if ( classes.length ) {
8323              while ( ( elem = this[ i++ ] ) ) {
8324                  curValue = getClass( elem );
8325  
8326                  // This expression is here for better compressibility (see addClass)
8327                  cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " );
8328  
8329                  if ( cur ) {
8330                      j = 0;
8331                      while ( ( clazz = classes[ j++ ] ) ) {
8332  
8333                          // Remove *all* instances
8334                          while ( cur.indexOf( " " + clazz + " " ) > -1 ) {
8335                              cur = cur.replace( " " + clazz + " ", " " );
8336                          }
8337                      }
8338  
8339                      // Only assign if different to avoid unneeded rendering.
8340                      finalValue = stripAndCollapse( cur );
8341                      if ( curValue !== finalValue ) {
8342                          elem.setAttribute( "class", finalValue );
8343                      }
8344                  }
8345              }
8346          }
8347  
8348          return this;
8349      },
8350  
8351      toggleClass: function( value, stateVal ) {
8352          var type = typeof value,
8353              isValidValue = type === "string" || Array.isArray( value );
8354  
8355          if ( typeof stateVal === "boolean" && isValidValue ) {
8356              return stateVal ? this.addClass( value ) : this.removeClass( value );
8357          }
8358  
8359          if ( isFunction( value ) ) {
8360              return this.each( function( i ) {
8361                  jQuery( this ).toggleClass(
8362                      value.call( this, i, getClass( this ), stateVal ),
8363                      stateVal
8364                  );
8365              } );
8366          }
8367  
8368          return this.each( function() {
8369              var className, i, self, classNames;
8370  
8371              if ( isValidValue ) {
8372  
8373                  // Toggle individual class names
8374                  i = 0;
8375                  self = jQuery( this );
8376                  classNames = classesToArray( value );
8377  
8378                  while ( ( className = classNames[ i++ ] ) ) {
8379  
8380                      // Check each className given, space separated list
8381                      if ( self.hasClass( className ) ) {
8382                          self.removeClass( className );
8383                      } else {
8384                          self.addClass( className );
8385                      }
8386                  }
8387  
8388              // Toggle whole class name
8389              } else if ( value === undefined || type === "boolean" ) {
8390                  className = getClass( this );
8391                  if ( className ) {
8392  
8393                      // Store className if set
8394                      dataPriv.set( this, "__className__", className );
8395                  }
8396  
8397                  // If the element has a class name or if we're passed `false`,
8398                  // then remove the whole classname (if there was one, the above saved it).
8399                  // Otherwise bring back whatever was previously saved (if anything),
8400                  // falling back to the empty string if nothing was stored.
8401                  if ( this.setAttribute ) {
8402                      this.setAttribute( "class",
8403                          className || value === false ?
8404                          "" :
8405                          dataPriv.get( this, "__className__" ) || ""
8406                      );
8407                  }
8408              }
8409          } );
8410      },
8411  
8412      hasClass: function( selector ) {
8413          var className, elem,
8414              i = 0;
8415  
8416          className = " " + selector + " ";
8417          while ( ( elem = this[ i++ ] ) ) {
8418              if ( elem.nodeType === 1 &&
8419                  ( " " + stripAndCollapse( getClass( elem ) ) + " " ).indexOf( className ) > -1 ) {
8420                      return true;
8421              }
8422          }
8423  
8424          return false;
8425      }
8426  } );
8427  
8428  
8429  
8430  
8431  var rreturn = /\r/g;
8432  
8433  jQuery.fn.extend( {
8434      val: function( value ) {
8435          var hooks, ret, valueIsFunction,
8436              elem = this[ 0 ];
8437  
8438          if ( !arguments.length ) {
8439              if ( elem ) {
8440                  hooks = jQuery.valHooks[ elem.type ] ||
8441                      jQuery.valHooks[ elem.nodeName.toLowerCase() ];
8442  
8443                  if ( hooks &&
8444                      "get" in hooks &&
8445                      ( ret = hooks.get( elem, "value" ) ) !== undefined
8446                  ) {
8447                      return ret;
8448                  }
8449  
8450                  ret = elem.value;
8451  
8452                  // Handle most common string cases
8453                  if ( typeof ret === "string" ) {
8454                      return ret.replace( rreturn, "" );
8455                  }
8456  
8457                  // Handle cases where value is null/undef or number
8458                  return ret == null ? "" : ret;
8459              }
8460  
8461              return;
8462          }
8463  
8464          valueIsFunction = isFunction( value );
8465  
8466          return this.each( function( i ) {
8467              var val;
8468  
8469              if ( this.nodeType !== 1 ) {
8470                  return;
8471              }
8472  
8473              if ( valueIsFunction ) {
8474                  val = value.call( this, i, jQuery( this ).val() );
8475              } else {
8476                  val = value;
8477              }
8478  
8479              // Treat null/undefined as ""; convert numbers to string
8480              if ( val == null ) {
8481                  val = "";
8482  
8483              } else if ( typeof val === "number" ) {
8484                  val += "";
8485  
8486              } else if ( Array.isArray( val ) ) {
8487                  val = jQuery.map( val, function( value ) {
8488                      return value == null ? "" : value + "";
8489                  } );
8490              }
8491  
8492              hooks = jQuery.valHooks[ this.type ] || jQuery.valHooks[ this.nodeName.toLowerCase() ];
8493  
8494              // If set returns undefined, fall back to normal setting
8495              if ( !hooks || !( "set" in hooks ) || hooks.set( this, val, "value" ) === undefined ) {
8496                  this.value = val;
8497              }
8498          } );
8499      }
8500  } );
8501  
8502  jQuery.extend( {
8503      valHooks: {
8504          option: {
8505              get: function( elem ) {
8506  
8507                  var val = jQuery.find.attr( elem, "value" );
8508                  return val != null ?
8509                      val :
8510  
8511                      // Support: IE <=10 - 11 only
8512                      // option.text throws exceptions (#14686, #14858)
8513                      // Strip and collapse whitespace
8514                      // https://html.spec.whatwg.org/#strip-and-collapse-whitespace
8515                      stripAndCollapse( jQuery.text( elem ) );
8516              }
8517          },
8518          select: {
8519              get: function( elem ) {
8520                  var value, option, i,
8521                      options = elem.options,
8522                      index = elem.selectedIndex,
8523                      one = elem.type === "select-one",
8524                      values = one ? null : [],
8525                      max = one ? index + 1 : options.length;
8526  
8527                  if ( index < 0 ) {
8528                      i = max;
8529  
8530                  } else {
8531                      i = one ? index : 0;
8532                  }
8533  
8534                  // Loop through all the selected options
8535                  for ( ; i < max; i++ ) {
8536                      option = options[ i ];
8537  
8538                      // Support: IE <=9 only
8539                      // IE8-9 doesn't update selected after form reset (#2551)
8540                      if ( ( option.selected || i === index ) &&
8541  
8542                              // Don't return options that are disabled or in a disabled optgroup
8543                              !option.disabled &&
8544                              ( !option.parentNode.disabled ||
8545                                  !nodeName( option.parentNode, "optgroup" ) ) ) {
8546  
8547                          // Get the specific value for the option
8548                          value = jQuery( option ).val();
8549  
8550                          // We don't need an array for one selects
8551                          if ( one ) {
8552                              return value;
8553                          }
8554  
8555                          // Multi-Selects return an array
8556                          values.push( value );
8557                      }
8558                  }
8559  
8560                  return values;
8561              },
8562  
8563              set: function( elem, value ) {
8564                  var optionSet, option,
8565                      options = elem.options,
8566                      values = jQuery.makeArray( value ),
8567                      i = options.length;
8568  
8569                  while ( i-- ) {
8570                      option = options[ i ];
8571  
8572                      /* eslint-disable no-cond-assign */
8573  
8574                      if ( option.selected =
8575                          jQuery.inArray( jQuery.valHooks.option.get( option ), values ) > -1
8576                      ) {
8577                          optionSet = true;
8578                      }
8579  
8580                      /* eslint-enable no-cond-assign */
8581                  }
8582  
8583                  // Force browsers to behave consistently when non-matching value is set
8584                  if ( !optionSet ) {
8585                      elem.selectedIndex = -1;
8586                  }
8587                  return values;
8588              }
8589          }
8590      }
8591  } );
8592  
8593  // Radios and checkboxes getter/setter
8594  jQuery.each( [ "radio", "checkbox" ], function() {
8595      jQuery.valHooks[ this ] = {
8596          set: function( elem, value ) {
8597              if ( Array.isArray( value ) ) {
8598                  return ( elem.checked = jQuery.inArray( jQuery( elem ).val(), value ) > -1 );
8599              }
8600          }
8601      };
8602      if ( !support.checkOn ) {
8603          jQuery.valHooks[ this ].get = function( elem ) {
8604              return elem.getAttribute( "value" ) === null ? "on" : elem.value;
8605          };
8606      }
8607  } );
8608  
8609  
8610  
8611  
8612  // Return jQuery for attributes-only inclusion
8613  
8614  
8615  support.focusin = "onfocusin" in window;
8616  
8617  
8618  var rfocusMorph = /^(?:focusinfocus|focusoutblur)$/,
8619      stopPropagationCallback = function( e ) {
8620          e.stopPropagation();
8621      };
8622  
8623  jQuery.extend( jQuery.event, {
8624  
8625      trigger: function( event, data, elem, onlyHandlers ) {
8626  
8627          var i, cur, tmp, bubbleType, ontype, handle, special, lastElement,
8628              eventPath = [ elem || document ],
8629              type = hasOwn.call( event, "type" ) ? event.type : event,
8630              namespaces = hasOwn.call( event, "namespace" ) ? event.namespace.split( "." ) : [];
8631  
8632          cur = lastElement = tmp = elem = elem || document;
8633  
8634          // Don't do events on text and comment nodes
8635          if ( elem.nodeType === 3 || elem.nodeType === 8 ) {
8636              return;
8637          }
8638  
8639          // focus/blur morphs to focusin/out; ensure we're not firing them right now
8640          if ( rfocusMorph.test( type + jQuery.event.triggered ) ) {
8641              return;
8642          }
8643  
8644          if ( type.indexOf( "." ) > -1 ) {
8645  
8646              // Namespaced trigger; create a regexp to match event type in handle()
8647              namespaces = type.split( "." );
8648              type = namespaces.shift();
8649              namespaces.sort();
8650          }
8651          ontype = type.indexOf( ":" ) < 0 && "on" + type;
8652  
8653          // Caller can pass in a jQuery.Event object, Object, or just an event type string
8654          event = event[ jQuery.expando ] ?
8655              event :
8656              new jQuery.Event( type, typeof event === "object" && event );
8657  
8658          // Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true)
8659          event.isTrigger = onlyHandlers ? 2 : 3;
8660          event.namespace = namespaces.join( "." );
8661          event.rnamespace = event.namespace ?
8662              new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" ) :
8663              null;
8664  
8665          // Clean up the event in case it is being reused
8666          event.result = undefined;
8667          if ( !event.target ) {
8668              event.target = elem;
8669          }
8670  
8671          // Clone any incoming data and prepend the event, creating the handler arg list
8672          data = data == null ?
8673              [ event ] :
8674              jQuery.makeArray( data, [ event ] );
8675  
8676          // Allow special events to draw outside the lines
8677          special = jQuery.event.special[ type ] || {};
8678          if ( !onlyHandlers && special.trigger && special.trigger.apply( elem, data ) === false ) {
8679              return;
8680          }
8681  
8682          // Determine event propagation path in advance, per W3C events spec (#9951)
8683          // Bubble up to document, then to window; watch for a global ownerDocument var (#9724)
8684          if ( !onlyHandlers && !special.noBubble && !isWindow( elem ) ) {
8685  
8686              bubbleType = special.delegateType || type;
8687              if ( !rfocusMorph.test( bubbleType + type ) ) {
8688                  cur = cur.parentNode;
8689              }
8690              for ( ; cur; cur = cur.parentNode ) {
8691                  eventPath.push( cur );
8692                  tmp = cur;
8693              }
8694  
8695              // Only add window if we got to document (e.g., not plain obj or detached DOM)
8696              if ( tmp === ( elem.ownerDocument || document ) ) {
8697                  eventPath.push( tmp.defaultView || tmp.parentWindow || window );
8698              }
8699          }
8700  
8701          // Fire handlers on the event path
8702          i = 0;
8703          while ( ( cur = eventPath[ i++ ] ) && !event.isPropagationStopped() ) {
8704              lastElement = cur;
8705              event.type = i > 1 ?
8706                  bubbleType :
8707                  special.bindType || type;
8708  
8709              // jQuery handler
8710              handle = (
8711                      dataPriv.get( cur, "events" ) || Object.create( null )
8712                  )[ event.type ] &&
8713                  dataPriv.get( cur, "handle" );
8714              if ( handle ) {
8715                  handle.apply( cur, data );
8716              }
8717  
8718              // Native handler
8719              handle = ontype && cur[ ontype ];
8720              if ( handle && handle.apply && acceptData( cur ) ) {
8721                  event.result = handle.apply( cur, data );
8722                  if ( event.result === false ) {
8723                      event.preventDefault();
8724                  }
8725              }
8726          }
8727          event.type = type;
8728  
8729          // If nobody prevented the default action, do it now
8730          if ( !onlyHandlers && !event.isDefaultPrevented() ) {
8731  
8732              if ( ( !special._default ||
8733                  special._default.apply( eventPath.pop(), data ) === false ) &&
8734                  acceptData( elem ) ) {
8735  
8736                  // Call a native DOM method on the target with the same name as the event.
8737                  // Don't do default actions on window, that's where global variables be (#6170)
8738                  if ( ontype && isFunction( elem[ type ] ) && !isWindow( elem ) ) {
8739  
8740                      // Don't re-trigger an onFOO event when we call its FOO() method
8741                      tmp = elem[ ontype ];
8742  
8743                      if ( tmp ) {
8744                          elem[ ontype ] = null;
8745                      }
8746  
8747                      // Prevent re-triggering of the same event, since we already bubbled it above
8748                      jQuery.event.triggered = type;
8749  
8750                      if ( event.isPropagationStopped() ) {
8751                          lastElement.addEventListener( type, stopPropagationCallback );
8752                      }
8753  
8754                      elem[ type ]();
8755  
8756                      if ( event.isPropagationStopped() ) {
8757                          lastElement.removeEventListener( type, stopPropagationCallback );
8758                      }
8759  
8760                      jQuery.event.triggered = undefined;
8761  
8762                      if ( tmp ) {
8763                          elem[ ontype ] = tmp;
8764                      }
8765                  }
8766              }
8767          }
8768  
8769          return event.result;
8770      },
8771  
8772      // Piggyback on a donor event to simulate a different one
8773      // Used only for `focus(in | out)` events
8774      simulate: function( type, elem, event ) {
8775          var e = jQuery.extend(
8776              new jQuery.Event(),
8777              event,
8778              {
8779                  type: type,
8780                  isSimulated: true
8781              }
8782          );
8783  
8784          jQuery.event.trigger( e, null, elem );
8785      }
8786  
8787  } );
8788  
8789  jQuery.fn.extend( {
8790  
8791      trigger: function( type, data ) {
8792          return this.each( function() {
8793              jQuery.event.trigger( type, data, this );
8794          } );
8795      },
8796      triggerHandler: function( type, data ) {
8797          var elem = this[ 0 ];
8798          if ( elem ) {
8799              return jQuery.event.trigger( type, data, elem, true );
8800          }
8801      }
8802  } );
8803  
8804  
8805  // Support: Firefox <=44
8806  // Firefox doesn't have focus(in | out) events
8807  // Related ticket - https://bugzilla.mozilla.org/show_bug.cgi?id=687787
8808  //
8809  // Support: Chrome <=48 - 49, Safari <=9.0 - 9.1
8810  // focus(in | out) events fire after focus & blur events,
8811  // which is spec violation - http://www.w3.org/TR/DOM-Level-3-Events/#events-focusevent-event-order
8812  // Related ticket - https://bugs.chromium.org/p/chromium/issues/detail?id=449857
8813  if ( !support.focusin ) {
8814      jQuery.each( { focus: "focusin", blur: "focusout" }, function( orig, fix ) {
8815  
8816          // Attach a single capturing handler on the document while someone wants focusin/focusout
8817          var handler = function( event ) {
8818              jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ) );
8819          };
8820  
8821          jQuery.event.special[ fix ] = {
8822              setup: function() {
8823  
8824                  // Handle: regular nodes (via `this.ownerDocument`), window
8825                  // (via `this.document`) & document (via `this`).
8826                  var doc = this.ownerDocument || this.document || this,
8827                      attaches = dataPriv.access( doc, fix );
8828  
8829                  if ( !attaches ) {
8830                      doc.addEventListener( orig, handler, true );
8831                  }
8832                  dataPriv.access( doc, fix, ( attaches || 0 ) + 1 );
8833              },
8834              teardown: function() {
8835                  var doc = this.ownerDocument || this.document || this,
8836                      attaches = dataPriv.access( doc, fix ) - 1;
8837  
8838                  if ( !attaches ) {
8839                      doc.removeEventListener( orig, handler, true );
8840                      dataPriv.remove( doc, fix );
8841  
8842                  } else {
8843                      dataPriv.access( doc, fix, attaches );
8844                  }
8845              }
8846          };
8847      } );
8848  }
8849  var location = window.location;
8850  
8851  var nonce = { guid: Date.now() };
8852  
8853  var rquery = ( /\?/ );
8854  
8855  
8856  
8857  // Cross-browser xml parsing
8858  jQuery.parseXML = function( data ) {
8859      var xml;
8860      if ( !data || typeof data !== "string" ) {
8861          return null;
8862      }
8863  
8864      // Support: IE 9 - 11 only
8865      // IE throws on parseFromString with invalid input.
8866      try {
8867          xml = ( new window.DOMParser() ).parseFromString( data, "text/xml" );
8868      } catch ( e ) {
8869          xml = undefined;
8870      }
8871  
8872      if ( !xml || xml.getElementsByTagName( "parsererror" ).length ) {
8873          jQuery.error( "Invalid XML: " + data );
8874      }
8875      return xml;
8876  };
8877  
8878  
8879  var
8880      rbracket = /\[\]$/,
8881      rCRLF = /\r?\n/g,
8882      rsubmitterTypes = /^(?:submit|button|image|reset|file)$/i,
8883      rsubmittable = /^(?:input|select|textarea|keygen)/i;
8884  
8885  function buildParams( prefix, obj, traditional, add ) {
8886      var name;
8887  
8888      if ( Array.isArray( obj ) ) {
8889  
8890          // Serialize array item.
8891          jQuery.each( obj, function( i, v ) {
8892              if ( traditional || rbracket.test( prefix ) ) {
8893  
8894                  // Treat each array item as a scalar.
8895                  add( prefix, v );
8896  
8897              } else {
8898  
8899                  // Item is non-scalar (array or object), encode its numeric index.
8900                  buildParams(
8901                      prefix + "[" + ( typeof v === "object" && v != null ? i : "" ) + "]",
8902                      v,
8903                      traditional,
8904                      add
8905                  );
8906              }
8907          } );
8908  
8909      } else if ( !traditional && toType( obj ) === "object" ) {
8910  
8911          // Serialize object item.
8912          for ( name in obj ) {
8913              buildParams( prefix + "[" + name + "]", obj[ name ], traditional, add );
8914          }
8915  
8916      } else {
8917  
8918          // Serialize scalar item.
8919          add( prefix, obj );
8920      }
8921  }
8922  
8923  // Serialize an array of form elements or a set of
8924  // key/values into a query string
8925  jQuery.param = function( a, traditional ) {
8926      var prefix,
8927          s = [],
8928          add = function( key, valueOrFunction ) {
8929  
8930              // If value is a function, invoke it and use its return value
8931              var value = isFunction( valueOrFunction ) ?
8932                  valueOrFunction() :
8933                  valueOrFunction;
8934  
8935              s[ s.length ] = encodeURIComponent( key ) + "=" +
8936                  encodeURIComponent( value == null ? "" : value );
8937          };
8938  
8939      if ( a == null ) {
8940          return "";
8941      }
8942  
8943      // If an array was passed in, assume that it is an array of form elements.
8944      if ( Array.isArray( a ) || ( a.jquery && !jQuery.isPlainObject( a ) ) ) {
8945  
8946          // Serialize the form elements
8947          jQuery.each( a, function() {
8948              add( this.name, this.value );
8949          } );
8950  
8951      } else {
8952  
8953          // If traditional, encode the "old" way (the way 1.3.2 or older
8954          // did it), otherwise encode params recursively.
8955          for ( prefix in a ) {
8956              buildParams( prefix, a[ prefix ], traditional, add );
8957          }
8958      }
8959  
8960      // Return the resulting serialization
8961      return s.join( "&" );
8962  };
8963  
8964  jQuery.fn.extend( {
8965      serialize: function() {
8966          return jQuery.param( this.serializeArray() );
8967      },
8968      serializeArray: function() {
8969          return this.map( function() {
8970  
8971              // Can add propHook for "elements" to filter or add form elements
8972              var elements = jQuery.prop( this, "elements" );
8973              return elements ? jQuery.makeArray( elements ) : this;
8974          } )
8975          .filter( function() {
8976              var type = this.type;
8977  
8978              // Use .is( ":disabled" ) so that fieldset[disabled] works
8979              return this.name && !jQuery( this ).is( ":disabled" ) &&
8980                  rsubmittable.test( this.nodeName ) && !rsubmitterTypes.test( type ) &&
8981                  ( this.checked || !rcheckableType.test( type ) );
8982          } )
8983          .map( function( _i, elem ) {
8984              var val = jQuery( this ).val();
8985  
8986              if ( val == null ) {
8987                  return null;
8988              }
8989  
8990              if ( Array.isArray( val ) ) {
8991                  return jQuery.map( val, function( val ) {
8992                      return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
8993                  } );
8994              }
8995  
8996              return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
8997          } ).get();
8998      }
8999  } );
9000  
9001  
9002  var
9003      r20 = /%20/g,
9004      rhash = /#.*$/,
9005      rantiCache = /([?&])_=[^&]*/,
9006      rheaders = /^(.*?):[ \t]*([^\r\n]*)$/mg,
9007  
9008      // #7653, #8125, #8152: local protocol detection
9009      rlocalProtocol = /^(?:about|app|app-storage|.+-extension|file|res|widget):$/,
9010      rnoContent = /^(?:GET|HEAD)$/,
9011      rprotocol = /^\/\//,
9012  
9013      /* Prefilters
9014       * 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example)
9015       * 2) These are called:
9016       *    - BEFORE asking for a transport
9017       *    - AFTER param serialization (s.data is a string if s.processData is true)
9018       * 3) key is the dataType
9019       * 4) the catchall symbol "*" can be used
9020       * 5) execution will start with transport dataType and THEN continue down to "*" if needed
9021       */
9022      prefilters = {},
9023  
9024      /* Transports bindings
9025       * 1) key is the dataType
9026       * 2) the catchall symbol "*" can be used
9027       * 3) selection will start with transport dataType and THEN go to "*" if needed
9028       */
9029      transports = {},
9030  
9031      // Avoid comment-prolog char sequence (#10098); must appease lint and evade compression
9032      allTypes = "*/".concat( "*" ),
9033  
9034      // Anchor tag for parsing the document origin
9035      originAnchor = document.createElement( "a" );
9036      originAnchor.href = location.href;
9037  
9038  // Base "constructor" for jQuery.ajaxPrefilter and jQuery.ajaxTransport
9039  function addToPrefiltersOrTransports( structure ) {
9040  
9041      // dataTypeExpression is optional and defaults to "*"
9042      return function( dataTypeExpression, func ) {
9043  
9044          if ( typeof dataTypeExpression !== "string" ) {
9045              func = dataTypeExpression;
9046              dataTypeExpression = "*";
9047          }
9048  
9049          var dataType,
9050              i = 0,
9051              dataTypes = dataTypeExpression.toLowerCase().match( rnothtmlwhite ) || [];
9052  
9053          if ( isFunction( func ) ) {
9054  
9055              // For each dataType in the dataTypeExpression
9056              while ( ( dataType = dataTypes[ i++ ] ) ) {
9057  
9058                  // Prepend if requested
9059                  if ( dataType[ 0 ] === "+" ) {
9060                      dataType = dataType.slice( 1 ) || "*";
9061                      ( structure[ dataType ] = structure[ dataType ] || [] ).unshift( func );
9062  
9063                  // Otherwise append
9064                  } else {
9065                      ( structure[ dataType ] = structure[ dataType ] || [] ).push( func );
9066                  }
9067              }
9068          }
9069      };
9070  }
9071  
9072  // Base inspection function for prefilters and transports
9073  function inspectPrefiltersOrTransports( structure, options, originalOptions, jqXHR ) {
9074  
9075      var inspected = {},
9076          seekingTransport = ( structure === transports );
9077  
9078  	function inspect( dataType ) {
9079          var selected;
9080          inspected[ dataType ] = true;
9081          jQuery.each( structure[ dataType ] || [], function( _, prefilterOrFactory ) {
9082              var dataTypeOrTransport = prefilterOrFactory( options, originalOptions, jqXHR );
9083              if ( typeof dataTypeOrTransport === "string" &&
9084                  !seekingTransport && !inspected[ dataTypeOrTransport ] ) {
9085  
9086                  options.dataTypes.unshift( dataTypeOrTransport );
9087                  inspect( dataTypeOrTransport );
9088                  return false;
9089              } else if ( seekingTransport ) {
9090                  return !( selected = dataTypeOrTransport );
9091              }
9092          } );
9093          return selected;
9094      }
9095  
9096      return inspect( options.dataTypes[ 0 ] ) || !inspected[ "*" ] && inspect( "*" );
9097  }
9098  
9099  // A special extend for ajax options
9100  // that takes "flat" options (not to be deep extended)
9101  // Fixes #9887
9102  function ajaxExtend( target, src ) {
9103      var key, deep,
9104          flatOptions = jQuery.ajaxSettings.flatOptions || {};
9105  
9106      for ( key in src ) {
9107          if ( src[ key ] !== undefined ) {
9108              ( flatOptions[ key ] ? target : ( deep || ( deep = {} ) ) )[ key ] = src[ key ];
9109          }
9110      }
9111      if ( deep ) {
9112          jQuery.extend( true, target, deep );
9113      }
9114  
9115      return target;
9116  }
9117  
9118  /* Handles responses to an ajax request:
9119   * - finds the right dataType (mediates between content-type and expected dataType)
9120   * - returns the corresponding response
9121   */
9122  function ajaxHandleResponses( s, jqXHR, responses ) {
9123  
9124      var ct, type, finalDataType, firstDataType,
9125          contents = s.contents,
9126          dataTypes = s.dataTypes;
9127  
9128      // Remove auto dataType and get content-type in the process
9129      while ( dataTypes[ 0 ] === "*" ) {
9130          dataTypes.shift();
9131          if ( ct === undefined ) {
9132              ct = s.mimeType || jqXHR.getResponseHeader( "Content-Type" );
9133          }
9134      }
9135  
9136      // Check if we're dealing with a known content-type
9137      if ( ct ) {
9138          for ( type in contents ) {
9139              if ( contents[ type ] && contents[ type ].test( ct ) ) {
9140                  dataTypes.unshift( type );
9141                  break;
9142              }
9143          }
9144      }
9145  
9146      // Check to see if we have a response for the expected dataType
9147      if ( dataTypes[ 0 ] in responses ) {
9148          finalDataType = dataTypes[ 0 ];
9149      } else {
9150  
9151          // Try convertible dataTypes
9152          for ( type in responses ) {
9153              if ( !dataTypes[ 0 ] || s.converters[ type + " " + dataTypes[ 0 ] ] ) {
9154                  finalDataType = type;
9155                  break;
9156              }
9157              if ( !firstDataType ) {
9158                  firstDataType = type;
9159              }
9160          }
9161  
9162          // Or just use first one
9163          finalDataType = finalDataType || firstDataType;
9164      }
9165  
9166      // If we found a dataType
9167      // We add the dataType to the list if needed
9168      // and return the corresponding response
9169      if ( finalDataType ) {
9170          if ( finalDataType !== dataTypes[ 0 ] ) {
9171              dataTypes.unshift( finalDataType );
9172          }
9173          return responses[ finalDataType ];
9174      }
9175  }
9176  
9177  /* Chain conversions given the request and the original response
9178   * Also sets the responseXXX fields on the jqXHR instance
9179   */
9180  function ajaxConvert( s, response, jqXHR, isSuccess ) {
9181      var conv2, current, conv, tmp, prev,
9182          converters = {},
9183  
9184          // Work with a copy of dataTypes in case we need to modify it for conversion
9185          dataTypes = s.dataTypes.slice();
9186  
9187      // Create converters map with lowercased keys
9188      if ( dataTypes[ 1 ] ) {
9189          for ( conv in s.converters ) {
9190              converters[ conv.toLowerCase() ] = s.converters[ conv ];
9191          }
9192      }
9193  
9194      current = dataTypes.shift();
9195  
9196      // Convert to each sequential dataType
9197      while ( current ) {
9198  
9199          if ( s.responseFields[ current ] ) {
9200              jqXHR[ s.responseFields[ current ] ] = response;
9201          }
9202  
9203          // Apply the dataFilter if provided
9204          if ( !prev && isSuccess && s.dataFilter ) {
9205              response = s.dataFilter( response, s.dataType );
9206          }
9207  
9208          prev = current;
9209          current = dataTypes.shift();
9210  
9211          if ( current ) {
9212  
9213              // There's only work to do if current dataType is non-auto
9214              if ( current === "*" ) {
9215  
9216                  current = prev;
9217  
9218              // Convert response if prev dataType is non-auto and differs from current
9219              } else if ( prev !== "*" && prev !== current ) {
9220  
9221                  // Seek a direct converter
9222                  conv = converters[ prev + " " + current ] || converters[ "* " + current ];
9223  
9224                  // If none found, seek a pair
9225                  if ( !conv ) {
9226                      for ( conv2 in converters ) {
9227  
9228                          // If conv2 outputs current
9229                          tmp = conv2.split( " " );
9230                          if ( tmp[ 1 ] === current ) {
9231  
9232                              // If prev can be converted to accepted input
9233                              conv = converters[ prev + " " + tmp[ 0 ] ] ||
9234                                  converters[ "* " + tmp[ 0 ] ];
9235                              if ( conv ) {
9236  
9237                                  // Condense equivalence converters
9238                                  if ( conv === true ) {
9239                                      conv = converters[ conv2 ];
9240  
9241                                  // Otherwise, insert the intermediate dataType
9242                                  } else if ( converters[ conv2 ] !== true ) {
9243                                      current = tmp[ 0 ];
9244                                      dataTypes.unshift( tmp[ 1 ] );
9245                                  }
9246                                  break;
9247                              }
9248                          }
9249                      }
9250                  }
9251  
9252                  // Apply converter (if not an equivalence)
9253                  if ( conv !== true ) {
9254  
9255                      // Unless errors are allowed to bubble, catch and return them
9256                      if ( conv && s.throws ) {
9257                          response = conv( response );
9258                      } else {
9259                          try {
9260                              response = conv( response );
9261                          } catch ( e ) {
9262                              return {
9263                                  state: "parsererror",
9264                                  error: conv ? e : "No conversion from " + prev + " to " + current
9265                              };
9266                          }
9267