<!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=gb2312" /> <title>无标题文档</title> <script src="http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script> <script type="text/javascript"> $(function(){ $("a").click( function(){ alert(‘123‘); } ); $("body").click( function(){ alert(‘body‘); } ); $("span").click( function(){ alert(‘span‘); } ); }); </script> </head> <body> <div class="wrapper"> <span> <a >1233123</a></span> </div> </body> <body> </body> </html>
123 span body
原文：http://www.cnblogs.com/smailxiaobai/p/3586341.html