var expando = "jQuery" + now(), uuid = 0, windowData = {}; jQuery.extend({ cache: {}, data: function( elem, name, data ) { elem = elem == window ? windowData : elem; var id = elem[ expando ]; // Compute a unique ID for the element if ( !id ) id = elem[ expando ] = ++uuid; // Only generate the data cache if we're // trying to access or manipulate it if ( name && !jQuery.cache[ id ] ) jQuery.cache[ id ] = {}; // Prevent overriding the named cache with undefined values if ( data !== undefined ) jQuery.cache[ id ][ name ] = data; // Return the named cache data, or the ID for the element return name ? jQuery.cache[ id ][ name ] : id; }, removeData: function( elem, name ) { elem = elem == window ? windowData : elem; var id = elem[ expando ]; // If we want to remove a specific section of the element's data if ( name ) { if ( jQuery.cache[ id ] ) { // Remove the section of cache data delete jQuery.cache[ id ][ name ]; // If we've removed all the data, remove the element's cache name = ""; for ( name in jQuery.cache[ id ] ) break; if ( !name ) jQuery.removeData( elem ); } // Otherwise, we want to remove all of the element's data } else { // Clean up the element expando try { delete elem[ expando ]; } catch(e){ // IE has trouble directly removing the expando // but it's ok with using removeAttribute if ( elem.removeAttribute ) elem.removeAttribute( expando ); } // Completely remove the data cache delete jQuery.cache[ id ]; } }, queue: function( elem, type, data ) { if ( elem ){ type = (type || "fx") + "queue"; var q = jQuery.data( elem, type ); if ( !q || jQuery.isArray(data) ) q = jQuery.data( elem, type, jQuery.makeArray(data) ); else if( data ) q.push( data ); } return q; }, dequeue: function( elem, type ){ var queue = jQuery.queue( elem, type ), fn = queue.shift(); if( !type || type === "fx" ) fn = queue[0]; if( fn !== undefined ) fn.call(elem); } }); jQuery.fn.extend({ data: function( key, value ){ var parts = key.split("."); parts[1] = parts[1] ? "." + parts[1] : ""; if ( value === undefined ) { var data = this.triggerHandler("getData" + parts[1] + "!", [parts[0]]); if ( data === undefined && this.length ) data = jQuery.data( this[0], key ); return data === undefined && parts[1] ? this.data( parts[0] ) : data; } else return this.trigger("setData" + parts[1] + "!", [parts[0], value]).each(function(){ jQuery.data( this, key, value ); }); }, removeData: function( key ){ return this.each(function(){ jQuery.removeData( this, key ); }); }, queue: function(type, data){ if ( typeof type !== "string" ) { data = type; type = "fx"; } if ( data === undefined ) return jQuery.queue( this[0], type ); return this.each(function(){ var queue = jQuery.queue( this, type, data ); if( type == "fx" && queue.length == 1 ) queue[0].call(this); }); }, dequeue: function(type){ return this.each(function(){ jQuery.dequeue( this, type ); }); } });