<html> <head> <script type="text/javascript" src="js/jquery-1.3.2.js"></script> <script type="text/javascript"> $(document).ready(function(){ $("ul li:nth-child(2)").append("<span>*</span>"); }); </script> </head> <body> <div> <ul> <li>A</li> <li>B</li> <li>C</li> </ul> </div> </body> </html>