倒计时跳转

 1 <html> 
 2 <head> 
 3 <title>10秒后跳转</title> 
 4 </head> 
 5 <body> 
 6 <input type="text" readonly="true" value="10" id="time"> 
 7 </body> 
 8 <script language="javascript"> 
 9 var t = 10; 
10 var time = document.getElementById("time"); 
11 function fun(){ 
12 t--; 
13 time.value = t; 
14 if(t<=0){ 
15 location.href = "http://www.jb51.net"; 
16 clearInterval(inter); 
17 } 
18 } 
19 var inter = setInterval("fun()",1000); 
20 </script> 
21 </html>
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原文地址：https://www.cnblogs.com/php-qiuwei/p/8214151.html