-var windowData = {};
+(function( jQuery ) {
+
+var windowData = {},
+ rbrace = /^(?:\{.*\}|\[.*\])$/,
+ rdigit = /\d/;
jQuery.extend({
cache: {},
// want to manipulate it.
if ( typeof name === "object" ) {
if ( isNode ) {
- cache[ id ] = jQuery.extend(true, {}, name);
+ cache[ id ] = jQuery.extend(cache[ id ], name);
+
} else {
- store = jQuery.extend(true, {}, name);
+ store = jQuery.extend(cache[ id ], name);
cache[ id ] = function() {
return store;
};
} else if ( !cache[ id ] ) {
if ( isNode ) {
cache[ id ] = {};
+
} else {
store = {};
cache[ id ] = function() {
jQuery.fn.extend({
data: function( key, value ) {
- if ( typeof key === "undefined" && this.length ) {
- return jQuery.data( this[0] );
+ if ( typeof key === "undefined" ) {
+ return this.length ? jQuery.data( this[0] ) : null;
} else if ( typeof key === "object" ) {
return this.each(function() {
if ( value === undefined ) {
var data = this.triggerHandler("getData" + parts[1] + "!", [parts[0]]);
+ // Try to fetch any internally stored data first
if ( data === undefined && this.length ) {
data = jQuery.data( this[0], key );
+
+ // If nothing was found internally, try to fetch any
+ // data from the HTML5 data-* attribute
+ if ( data === undefined && this[0].nodeType === 1 ) {
+ data = this[0].getAttribute( "data-" + key );
+
+ if ( typeof data === "string" ) {
+ try {
+ data = data === "true" ? true :
+ data === "false" ? false :
+ data === "null" ? null :
+ rdigit.test( data ) && !isNaN( data ) ? parseFloat( data ) :
+ rbrace.test( data ) ? jQuery.parseJSON( data ) :
+ data;
+ } catch( e ) {}
+
+ } else {
+ data = undefined;
+ }
+ }
}
return data === undefined && parts[1] ?
});
}
});
+
+})( jQuery );