Refactor jQuery.data a bit to reduce property lookups

[jquery.git] / src / core.js

diff --git a/src/core.js b/src/core.js
index b51886f..74b9fee 100644 (file)
--- a/src/core.js
+++ b/src/core.js
@@ -291,6 +291,12 @@ jQuery.extend({
                return this.constructor.call(obj) === Object;
        },
 
+       isEmptyObject: function( obj ) {
+               var name = "";
+               for(name in obj) break;
+               return !name;
+       },
+
        // check if an element is in a (or is an) XML document
        isXMLDoc: function( elem ) {
                return elem.nodeType === 9 && elem.documentElement.nodeName !== "HTML" ||