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"> $(document).ready(function(){ var x; $("#btn1").click(function(){ x=$("p").detach(); }); $("#btn2").click(function(){ $("body").prepend(x); }); }); </script> </head> <body> <p>落。</p> <button id="btn1">删除 p 元素</button> <button id="btn2">恢复 p 元素</button> </body> </html>
查看结果: