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Commit 480aae72 authored by Brandon Aaron's avatar Brandon Aaron
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addClass doesn't fail when passed an undefined or null variable (#1309)

parent b965c98f
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src/jquery/jquery.js
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...@@ -1365,7 +1365,7 @@ jQuery.extend({ ...@@ -1365,7 +1365,7 @@ jQuery.extend({
className: { className: {
// internal only, use addClass("class") // internal only, use addClass("class")
add: function( elem, c ){ add: function( elem, c ){
jQuery.each( c.split(/\s+/), function(i, cur){ jQuery.each( (c || "").split(/\s+/), function(i, cur){
if ( !jQuery.className.has( elem.className, cur ) ) if ( !jQuery.className.has( elem.className, cur ) )
elem.className += ( elem.className ? " " : "" ) + cur; elem.className += ( elem.className ? " " : "" ) + cur;
}); });
......
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