uuid: 0,
// Unique for each copy of jQuery on the page
- expando: "jQuery" + jQuery.now(),
+ // Non-digits removed to match rinlinejQuery
+ expando: "jQuery" + ( jQuery.fn.jquery + Math.random() ).replace( /\D/g, "" ),
// The following elements throw uncatchable exceptions if you
// attempt to add expando properties to them.
"applet": true
},
+ hasData: function( elem ) {
+ if ( elem.nodeType ) {
+ elem = jQuery.cache[ elem[jQuery.expando] ];
+ }
+
+ return !!elem && !jQuery.isEmptyObject(elem);
+ },
+
data: function( elem, name, data ) {
if ( !jQuery.acceptData( elem ) ) {
return;
jQuery.fn.extend({
data: function( key, value ) {
+ var data = null;
+
if ( typeof key === "undefined" ) {
- return this.length ? jQuery.data( this[0] ) : null;
+ if ( this.length ) {
+ data = jQuery.data( this[0] );
+
+ if ( this[0].nodeType === 1 ) {
+ var attr = this[0].attributes, name;
+ for ( var i = 0, l = attr.length; i < l; i++ ) {
+ name = attr[i].name;
+
+ if ( name.indexOf( "data-" ) === 0 ) {
+ name = name.substr( 5 );
+ dataAttr( this[0], name, data[ name ] );
+ }
+ }
+ }
+ }
+
+ return data;
} else if ( typeof key === "object" ) {
return this.each(function() {
parts[1] = parts[1] ? "." + parts[1] : "";
if ( value === undefined ) {
- var data = this.triggerHandler("getData" + parts[1] + "!", [parts[0]]);
+ 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 :
- !jQuery.isNaN( data ) ? parseFloat( data ) :
- rbrace.test( data ) ? jQuery.parseJSON( data ) :
- data;
- } catch( e ) {}
-
- } else {
- data = undefined;
- }
- }
+ data = dataAttr( this[0], key, data );
}
return data === undefined && parts[1] ?
} else {
return this.each(function() {
- var $this = jQuery( this ), args = [ parts[0], value ];
+ var $this = jQuery( this ),
+ args = [ parts[0], value ];
$this.triggerHandler( "setData" + parts[1] + "!", args );
jQuery.data( this, key, value );
}
});
+function dataAttr( elem, key, data ) {
+ // If nothing was found internally, try to fetch any
+ // data from the HTML5 data-* attribute
+ if ( data === undefined && elem.nodeType === 1 ) {
+ data = elem.getAttribute( "data-" + key );
+
+ if ( typeof data === "string" ) {
+ try {
+ data = data === "true" ? true :
+ data === "false" ? false :
+ data === "null" ? null :
+ !jQuery.isNaN( data ) ? parseFloat( data ) :
+ rbrace.test( data ) ? jQuery.parseJSON( data ) :
+ data;
+ } catch( e ) {}
+
+ // Make sure we set the data so it isn't changed later
+ jQuery.data( elem, key, data );
+
+ } else {
+ data = undefined;
+ }
+ }
+
+ return data;
+}
+
})( jQuery );