X-Git-Url: http://git.asbjorn.it/?a=blobdiff_plain;f=src%2Fdata.js;h=ac082dd6e97187071f985be94926af83ad9ceb27;hb=6dfdb14753c66cfd38f8445bd6119ef4a1274d5e;hp=562834aa11dc942f4bbffe9e6b9f27200f03e5f7;hpb=9dc6e0c572b9c809a3a4c123071d96d48a01dd1c;p=jquery.git

diff --git a/src/data.js b/src/data.js
index 562834a..ac082dd 100644
--- a/src/data.js
+++ b/src/data.js
@@ -52,9 +52,10 @@ jQuery.extend({
 		// 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;
 				};
@@ -63,6 +64,7 @@ jQuery.extend({
 		} else if ( !cache[ id ] ) {
 			if ( isNode ) {
 				cache[ id ] = {};
+
 			} else {
 				store = {};
 				cache[ id ] = function() {
@@ -129,8 +131,8 @@ jQuery.extend({
 
 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() {