X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=src%2Fdata.js;h=69adc1239b107611031666633ec5624a860b61a5;hb=aa81bb5e458efd25981933c339ac1a0090e6eb0f;hp=1d993fe5827cac1c79a004815b7925bc1426c342;hpb=ebad701751689b773afe29d1e3c4532c7810d02a;p=jquery.git diff --git a/src/data.js b/src/data.js index 1d993fe..69adc12 100644 --- a/src/data.js +++ b/src/data.js @@ -6,7 +6,19 @@ jQuery.extend({ 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; @@ -25,24 +37,31 @@ jQuery.extend({ // Avoid generating a new cache unless none exists and we // want to manipulate it. - if ( cache[ id ] ) { + 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 name ? thisCache[ name ] : thisCache; + + 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; @@ -84,6 +103,11 @@ 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(".");