<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=GBK" /> <title>div 触发失去焦点事件</title> </head> <body> <h1>设置tabindex属性可触发焦点事件</h1> <div style="float:left;"> <div id="birthday__jQSelect0" class="dropdown" tabindex="0"> <li>测试一下 </li><li>测试一下 </li><li>测试一下 </li> </div> <script type="text/javascript"> document.getElementById('birthday__jQSelect0').onmouseover = function(){ document.getElementById('birthday__jQSelect0').focus(); return false; } document.getElementById('birthday__jQSelect0').onblur = function(){ alert("jjjjjj"); return false; } </script> <iframe height="100" src="aa.html"> </iframe> </body> </html>