<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<link rel="stylesheet" href="">
<title>跳转倒计时demo</title>
</head>
<body>
<div class="system-message">
<p class="jump">
页面自动 <a id="href" href="http://www.baidu.com";>跳转</a> 等待时间： <b id="wait"> 5</b>
</p>
</div>
<script type="text/javascript">
// (function(){
// var wait = document.getElementById('wait'),href = document.getElementById('href').href;
// var interval = setInterval(function(){
// var time = --wait.innerHTML;
// if(time <= 0) {
// location.href = href;
// clearInterval(interval);
// };
// }, 1000);
// })();
var wait =document.getElementById('wait'),href=document.getElementById('href').href;
var interval =setInterval(function(){
var time=--wait.innerHTML;
if(time<=0){
location.href=href;
clearInterval(interval);
};
},1000);
</script>
</body>
</html>
