Javascript几秒后跳转到某个页面

1. <script language="javascript" type="text/javascript">   
2.         var i = 5;   
3.         var intervalid;   
4.         intervalid = setInterval("fun()", 1000);   
5.         function fun() {   
6.             if (i == 0) {   
7.                 window.location.href = "default.aspx";   
8.                 clearInterval(intervalid);   
9.             }   
10.             document.getElementById("mes").innerHTML = i;   
11.             i--;    
12.         }   
13.     </script>  

<script language="javascript" type="text/javascript">        var i = 5;        var intervalid;        intervalid = setInterval("fun()", 1000);        function fun() {            if (i == 0) {                window.location.href = "default.aspx";                clearInterval(intervalid);            }            document.getElementById("mes").innerHTML = i;            i--;         }    </script>

 

  

Html代码

1. <p>系统出错，请联系管理员！</p>  
2.  <p>将在 <span id="mes">5</span> 秒钟后返回首页！</p>