Ticket #14152: 14152.diff

wp-admin/js/custom-background.dev.js

@@ -14 +14 @@
 
         jQuery('#background-color').keyup(function() {
                 var _hex = jQuery('#background-color').val(), hex = _hex;
-                if ( hex[0] != '#' )
+                if ( hex.charAt(0) != '#' )
                         hex = '#' + hex;
                 hex = hex.replace(/[^#a-fA-F0-9]+/, '');
                 if ( hex != _hex )