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javascript 倒计时跳转.

 1 <!DOCTYPE html> 2 <html> 3 <head lang="en"> 4     <meta charset="UTF-8"> 5     <title></title> 6     <script type="text/javascript"> 7         var t = 5;//设定跳转的时间 8         var intervalId = setInterval("refer()", 1000); //启动1秒定时 9         function refer() {10             if (t-- == 0)11                 location.href = "./h.html"; //设定跳转的链接地址12             document.getElementById(show).innerHTML = "" + t + "秒后自动跳转到指定页面"; //显示倒计时13         }14 15         function ref() {16             clearInterval(intervalId);  //解除倒计时.17             location.href = "./h.html"; //设定跳转的链接地址18         }19     </script>20 </head>21 <body>22 <span id="show"></span>23 <input type="button" value="手动跳转" onclick="ref()">24 </body>25 </html>

 

javascript 倒计时跳转.