core: Fixed #2605: .data() now accepts null as a value.

[jquery.git] / src / core.js

diff --git a/src/core.js b/src/core.js
index c3cd3d8..b6bdc1d 100644 (file)
--- a/src/core.js
+++ b/src/core.js
@@ -669,7 +669,7 @@ jQuery.extend({
                        jQuery.cache[ id ] = {};
                
                // Prevent overriding the named cache with undefined values
-               if ( data != undefined )
+               if ( data !== undefined )
                        jQuery.cache[ id ][ name ] = data;
                
                // Return the named cache data, or the ID for the element