Trim a string
<html> <head> <script type="text/javascript" src="js/jquery-1.3.2.js"></script> <script type="text/javascript"> $(document).ready(function(){ var str = " a "; alert("'" + str + "'"); str = jQuery.trim(str); alert("'" + str + "'"); }); </script> </head> <body> <body> <p></p><p></p><p></p> </body> </html>