js倒计时关闭 
<!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 language='javascript' type='text/javascript'> 
var secs =5; //倒计时的秒数 

function Load(){ 

for(var i=secs;i>=0;i--) 
{ 
window.setTimeout('doUpdate(' + i + ')', (secs-i) * 1000); 
} 
} 
function doUpdate(num) 
{ 
document.getElementById('ShowDiv').innerHTML = '将在'+num+'秒后自动消失' ;
//document.getElementById('hellobaby').innerHTML = '剩余时间：'+ parseInt(num/3600)+'时'+parseInt((num%3600)/60)+'分'+parseInt((num%3600)%60)+'秒' ;  
//if(num == 0) {var dd=document.getElementById("time");dd.style.display="none";} 

if(num == 0) {alert("12");window.opener=null;window.open('','_self');window.close();}
} 
</script> 
</head>

<body style="color:#993300">
  <div  id="time" style="border:1px; color:Gray; height:100px; text-align:center; font-size:18px">
        <div id="ShowDiv">这里写欢迎页面，</div> 
<script language="javascript" type="text/javascript"> 
Load(); 
</script>
           </div>
</body>
</html>
 posted on 2012-10-11 11:07  纳米程序员  阅读(3930)  评论(0)  编辑  收藏  举报