1 var expando = "jQuery" + now(), uuid = 0, windowData = {};
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6 data: function( elem, name, data ) {
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7 elem = elem == window ?
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11 var id = elem[ expando ], cache = jQuery.cache;
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13 // Compute a unique ID for the element
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14 if(!id) id = elem[ expando ] = ++uuid;
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16 // Only generate the data cache if we're
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17 // trying to access or manipulate it
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18 if ( name && !cache[ id ] )
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21 var thisCache = cache[ id ];
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23 // Prevent overriding the named cache with undefined values
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24 if ( data !== undefined ) thisCache[ name ] = data;
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26 if(name === true) return thisCache
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27 else if(name) return thisCache[name]
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31 removeData: function( elem, name ) {
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32 elem = elem == window ?
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36 var id = elem[ expando ], cache = jQuery.cache, thisCache = cache[ id ];
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38 // If we want to remove a specific section of the element's data
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41 // Remove the section of cache data
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42 delete thisCache[ name ];
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44 // If we've removed all the data, remove the element's cache
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45 if( jQuery.isEmptyObject(thisCache) )
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46 jQuery.removeData( elem );
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49 // Otherwise, we want to remove all of the element's data
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51 // Clean up the element expando
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53 delete elem[ expando ];
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55 // IE has trouble directly removing the expando
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56 // but it's ok with using removeAttribute
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57 if ( elem.removeAttribute )
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58 elem.removeAttribute( expando );
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61 // Completely remove the data cache
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65 queue: function( elem, type, data ) {
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68 type = (type || "fx") + "queue";
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69 var q = jQuery.data( elem, type );
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71 // Speed up dequeue by getting out quickly if this is just a lookup
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72 if( !data ) return q || [];
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74 if ( !q || jQuery.isArray(data) )
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75 q = jQuery.data( elem, type, jQuery.makeArray(data) );
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82 dequeue: function( elem, type ){
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83 type = type || "fx";
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85 var queue = jQuery.queue( elem, type ), fn = queue.shift();
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87 // If the fx queue is dequeued, always remove the progress sentinel
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88 if( fn === "inprogress" ) fn = queue.shift();
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91 // Add a progress sentinel to prevent the fx queue from being
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92 // automatically dequeued
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93 if( type == "fx" ) queue.unshift("inprogress");
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95 fn.call(elem, function() { jQuery.dequeue(elem, type); });
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101 data: function( key, value ){
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102 if(typeof key === "undefined" && this.length) return jQuery.data(this[0], true);
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104 var parts = key.split(".");
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105 parts[1] = parts[1] ? "." + parts[1] : "";
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107 if ( value === undefined ) {
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108 var data = this.triggerHandler("getData" + parts[1] + "!", [parts[0]]);
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110 if ( data === undefined && this.length )
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111 data = jQuery.data( this[0], key );
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113 return data === undefined && parts[1] ?
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114 this.data( parts[0] ) :
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117 return this.trigger("setData" + parts[1] + "!", [parts[0], value]).each(function(){
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118 jQuery.data( this, key, value );
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122 removeData: function( key ){
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123 return this.each(function(){
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124 jQuery.removeData( this, key );
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127 queue: function(type, data){
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128 if ( typeof type !== "string" ) {
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133 if ( data === undefined )
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134 return jQuery.queue( this[0], type );
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136 return this.each(function(i, elem){
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137 var queue = jQuery.queue( this, type, data );
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139 if( type == "fx" && queue[0] !== "inprogress" )
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140 jQuery.dequeue( this, type )
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143 dequeue: function(type){
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144 return this.each(function(){
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145 jQuery.dequeue( this, type );
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148 clearQueue: function(type){
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149 return this.queue( type || "fx", [] );
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