If I load b.html in firefox, alert(1) will work, but ont work in IE. page a.html
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http:// www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>live</title> <script type="text/javascript" src="js/jquery-1.3.2.min.js"></script> </head> <body> <div style="width: 300px; height: 300px; border: 1px solid red;"></ div> <input type="button" id="btn" value="btn" /> <script> $(function() { $.ajaxSetup({ cache: false }); $('#btn').click(function() { $('div:first').load('b.html'); }); $('#jump').live('change', function() { alert(1); }); }); </script> </body> </html> page b.html <select id="jump"> <option value="1">1</option> <option value="2">2</option> </select>