Ticket #6808. Changes data() so on plain objects, it uses a function to contain the cache ID to avoid it being JSON serialized.

1 files changed, 25 insertions, 4 deletions

diff --git a/src/data.js b/src/data.js
index f7af18d0d..6dcfb4c22 100644
--- a/src/data.js
+++ b/src/data.js
@@ -46,13 +46,30 @@ jQuery.extend({
 		// Avoid generating a new cache unless none exists and we
 		// want to manipulate it.
 		if ( typeof name === "object" ) {
-			cache[ id ] = jQuery.extend(true, {}, name);
+			if ( isNode ) {
+				cache[ id ] = jQuery.extend(true, {}, name);
+			} else {
+				cache[ id ] = function() {
+					return jQuery.extend(true, {}, name);
+				}
+			}
 
 		} else if ( !cache[ id ] ) {
-			cache[ id ] = {};
+			if ( isNode ) {
+				cache[ id ] = {};
+			} else {
+				var store = {};
+				cache[ id ] = function() {
+					return store;
+				}
+			}
+			
 		}
 
 		thisCache = cache[ id ];
+		if ( !isNode ) {
+			thisCache = thisCache();
+		}
 
 		// Prevent overriding the named cache with undefined values
 		if ( data !== undefined ) {
@@ -71,8 +88,12 @@ jQuery.extend({
 			windowData :
 			elem;
 
-		var id = elem[ jQuery.expando ], cache = jQuery.cache,
-			isNode = elem.nodeType, thisCache = isNode ? cache[ id ] : id;
+		var isNode = elem.nodeType,
+			id = elem[ jQuery.expando ], cache = jQuery.cache;
+		if ( id && !isNode ) {
+			id = id();
+		}
+		var thisCache = cache[ id ];
 
 		// If we want to remove a specific section of the element's data
 		if ( name ) {