<!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></title>
    <script type="text/javascript" src="jquery1.5.js"></script>
    <script type="text/javascript">
        $(document).ready(function(){
            $("b").live("click",function(){
                alert($(this).text());
            });
                                   
            //$("p").live("click",function(){
            //  $(this).after("<b>I love weiyuan</b>");
            //});
                                   
            $(document).delegate("p","click",function(){
                $(this).after("<b>I love weiyuan</b>");
            });
                                   
            $("div").delegate("input","click",function(){
                $("div>p").slideToggle();
            });
        });
                               
                                   
    </script>
</head>
<body>
    <p>hanchao</p>
                           
    <div style="background-color:pink;">
        <p>This is a demo for delegate!!</p>
        <input type="button" value="clickme" />
    </div>
</body>
</html>

如果您想了解.bink，.live, .delegate的区别，你可以参考一下这篇文章：