JS: Remove Classes

class="myClass1 myClass2" id="myDiv"

<div class="myClass1 myClass2" id="myDiv"> </div> <input id="demo" type="button" value="Demo" /> <script src="http://ajax.aspnetcdn.com/ajax/jQuery/jquery-1.6.1.min.js" type="text/javascript"></script> <script type="text/javascript"> $("#demo").live("click", function () { //Get CSS class var classes = $("#myDiv").attr("class"); alert(classes); //Remove all CSS classes $("#myDiv").removeAttr("class"); //Get Updated CSS class var classes = $("#myDiv").attr("class"); alert(classes); }); </script>