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MINOR Avoid breaking IE on CMS ajax responses which don't contain CSS…

… class names (splitting on NULL) (#7002)
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commit 3f4aba55454f5c27486e208a9517ed1c65ead2a9 1 parent c518a19
@chillu chillu authored
Showing with 7 additions and 6 deletions.
  1. +7 −6 admin/javascript/LeftAndMain.js
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13 admin/javascript/LeftAndMain.js
@@ -223,12 +223,13 @@ jQuery.noConflict();
var layoutClasses = ['east', 'west', 'center', 'north', 'south'];
var elemClasses = contentEl.attr('class');
- var origLayoutClasses = $.grep(
- elemClasses.split(' '),
- function(val) {
- return ($.inArray(val, layoutClasses) >= 0);
- }
- );
+ var origLayoutClasses = '';
+ if(elemClasses) {
+ origLayoutClasses = $.grep(
+ elemClasses.split(' '),
+ function(val) { return ($.inArray(val, layoutClasses) >= 0);}
+ );
+ }
newContentEl
.removeClass(layoutClasses.join(' '))
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