51help TIY
码：
<html> <head> <script type="text/javascript" src="../jquery/jquery.js" tppabs="http://www.51help.tk/jquery/jquery.js"></script> <script type="text/javascript"> function alertMe() { alert("Hello World!"); } $(document).ready(function(){ $("p").click(alertMe); $("button").click(function(){ $("p").unbind("click",alertMe); }); }); </script> </head> <body> <p>落。</p> <p>段落。</p> <p>落。</p> <button>从 p 元素的 click 示框函数</button> </body> </html>
查看结果: