-var expando = "jQuery" + now(), uuid = 0, windowData = {};\r
-\r
-jQuery.extend({\r
- cache: {},\r
-\r
- data: function( elem, name, data ) {\r
- elem = elem == window ?\r
- windowData :\r
- elem;\r
-\r
- var id = elem[ expando ];\r
-\r
- // Compute a unique ID for the element\r
- if ( !id )\r
- id = elem[ expando ] = ++uuid;\r
-\r
- // Only generate the data cache if we're\r
- // trying to access or manipulate it\r
- if ( name && !jQuery.cache[ id ] )\r
- jQuery.cache[ id ] = {};\r
-\r
- // Prevent overriding the named cache with undefined values\r
- if ( data !== undefined )\r
- jQuery.cache[ id ][ name ] = data;\r
-\r
- // Return the named cache data, or the ID for the element\r
- return name ?\r
- jQuery.cache[ id ][ name ] :\r
- id;\r
- },\r
-\r
- removeData: function( elem, name ) {\r
- elem = elem == window ?\r
- windowData :\r
- elem;\r
-\r
- var id = elem[ expando ];\r
-\r
- // If we want to remove a specific section of the element's data\r
- if ( name ) {\r
- if ( jQuery.cache[ id ] ) {\r
- // Remove the section of cache data\r
- delete jQuery.cache[ id ][ name ];\r
-\r
- // If we've removed all the data, remove the element's cache\r
- name = "";\r
-\r
- for ( name in jQuery.cache[ id ] )\r
- break;\r
-\r
- if ( !name )\r
- jQuery.removeData( elem );\r
- }\r
-\r
- // Otherwise, we want to remove all of the element's data\r
- } else {\r
- // Clean up the element expando\r
- try {\r
- delete elem[ expando ];\r
- } catch(e){\r
- // IE has trouble directly removing the expando\r
- // but it's ok with using removeAttribute\r
- if ( elem.removeAttribute )\r
- elem.removeAttribute( expando );\r
- }\r
-\r
- // Completely remove the data cache\r
- delete jQuery.cache[ id ];\r
- }\r
- },\r
- queue: function( elem, type, data ) {\r
- if ( elem ){\r
-\r
- type = (type || "fx") + "queue";\r
-\r
- var q = jQuery.data( elem, type );\r
-\r
- if ( !q || jQuery.isArray(data) )\r
- q = jQuery.data( elem, type, jQuery.makeArray(data) );\r
- else if( data )\r
- q.push( data );\r
-\r
- }\r
- return q;\r
- },\r
-\r
- dequeue: function( elem, type ){\r
- var queue = jQuery.queue( elem, type ),\r
- fn = queue.shift();\r
-\r
- if( !type || type === "fx" )\r
- fn = queue[0];\r
-\r
- if( fn !== undefined )\r
- fn.call(elem, function() { jQuery(elem).dequeue(type); });\r
- }\r
-});\r
-\r
-jQuery.fn.extend({\r
- data: function( key, value ){\r
- var parts = key.split(".");\r
- parts[1] = parts[1] ? "." + parts[1] : "";\r
-\r
- if ( value === undefined ) {\r
- var data = this.triggerHandler("getData" + parts[1] + "!", [parts[0]]);\r
-\r
- if ( data === undefined && this.length )\r
- data = jQuery.data( this[0], key );\r
-\r
- return data === undefined && parts[1] ?\r
- this.data( parts[0] ) :\r
- data;\r
- } else\r
- return this.trigger("setData" + parts[1] + "!", [parts[0], value]).each(function(){\r
- jQuery.data( this, key, value );\r
- });\r
- },\r
-\r
- removeData: function( key ){\r
- return this.each(function(){\r
- jQuery.removeData( this, key );\r
- });\r
- },\r
- queue: function(type, data){\r
- if ( typeof type !== "string" ) {\r
- data = type;\r
- type = "fx";\r
- }\r
-\r
- if ( data === undefined )\r
- return jQuery.queue( this[0], type );\r
-\r
- return this.each(function(i, elem){\r
- var queue = jQuery.queue( this, type, data );\r
-\r
- if( type == "fx" && queue.length == 1 )\r
- queue[0].call(this, function() { jQuery(elem).dequeue(type); });\r
- });\r
- },\r
- dequeue: function(type){\r
- return this.each(function(){\r
- jQuery.dequeue( this, type );\r
- });\r
- },\r
- clearQueue: function(type){\r
- return this.queue( type || "fx", [] );\r
- }\r
-});
\ No newline at end of file
+var expando = "jQuery" + now(), uuid = 0, windowData = {};
+var emptyObject = {};
+
+jQuery.extend({
+ cache: {},
+
+ expando:expando,
+
+ // The following elements throw uncatchable exceptions if you
+ // attempt to add expando properties to them.
+ noData: {
+ "embed": true,
+ "object": true,
+ "applet": true
+ },
+
+ data: function( elem, name, data ) {
+ if ( elem.nodeName && jQuery.noData[elem.nodeName.toLowerCase()] ) {
+ return;
+ }
+
+ elem = elem == window ?
+ windowData :
+ elem;
+
+ var id = elem[ expando ], cache = jQuery.cache, thisCache;
+
+ // Handle the case where there's no name immediately
+ if ( !name && !id ) {
+ return null;
+ }
+
+ // Compute a unique ID for the element
+ if ( !id ) {
+ id = ++uuid;
+ }
+
+ // Avoid generating a new cache unless none exists and we
+ // want to manipulate it.
+ if ( typeof name === "object" ) {
+ elem[ expando ] = id;
+ thisCache = cache[ id ] = jQuery.extend(true, {}, name);
+ } else if ( cache[ id ] ) {
+ thisCache = cache[ id ];
+ } else if ( typeof data === "undefined" ) {
+ thisCache = emptyObject;
+ } else {
+ thisCache = cache[ id ] = {};
+ }
+
+ // Prevent overriding the named cache with undefined values
+ if ( data !== undefined ) {
+ elem[ expando ] = id;
+ thisCache[ name ] = data;
+ }
+
+ return typeof name === "string" ? thisCache[ name ] : thisCache;
+ },
+
+ removeData: function( elem, name ) {
+ if ( elem.nodeName && jQuery.noData[elem.nodeName.toLowerCase()] ) {
+ return;
+ }
+
+ elem = elem == window ?
+ windowData :
+ elem;
+
+ var id = elem[ expando ], cache = jQuery.cache, thisCache = cache[ id ];
+
+ // If we want to remove a specific section of the element's data
+ if ( name ) {
+ if ( thisCache ) {
+ // Remove the section of cache data
+ delete thisCache[ name ];
+
+ // If we've removed all the data, remove the element's cache
+ if ( jQuery.isEmptyObject(thisCache) ) {
+ 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 cache[ id ];
+ }
+ }
+});
+
+jQuery.fn.extend({
+ data: function( key, value ) {
+ if ( typeof key === "undefined" && this.length ) {
+ return jQuery.data( this[0] );
+
+ } else if ( typeof key === "object" ) {
+ return this.each(function() {
+ jQuery.data( this, key );
+ });
+ }
+
+ 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 );
+ });
+ }
+});