<html> <head> <script type="text/javascript" src="js/jquery-1.3.2.js"></script> <script type="text/javascript"> $(document).ready(function(){ $("#old").click(function(){ $("input").trigger("focus"); }); $("#new").click(function(){ $("input").triggerHandler("focus"); }); $("input").focus(function(){ $("<span>Focused!</span>").appendTo("body"); }); }); </script> </head> <body> <body> <button id="old">.trigger("focus")</button> <button id="new">.triggerHandler("focus")</button><br/><br/> <input type="text" value="To Be Focused"/> </body> </html>