Update jQuery.hasData to always return a boolean, with unit tests.

[jquery.git] / src / data.js

diff --git a/src/data.js b/src/data.js
index 120fe71..c3530c8 100644 (file)
--- a/src/data.js
+++ b/src/data.js
@@ -22,7 +22,7 @@ jQuery.extend({
        },
 
        hasData: function( elem ) {
-               return !elem.nodeType || (elem[ jQuery.expando ] && !jQuery.isEmptyObject(jQuery.cache[ elem[jQuery.expando] ]));
+               return !elem.nodeType || (!!elem[ jQuery.expando ] && !jQuery.isEmptyObject(jQuery.cache[ elem[jQuery.expando] ]));
        },
 
        data: function( elem, name, data ) {