<html>
<head>
<meta http-equiv="Content-Type" content="text/html;charset=utf-8">
<script type="text/javascript">
//跳转到指定页面
function tiao(){
clearInterval(myInterval);
window.open("success.html","_self");
}
//设置5秒跳转
setTimeout("tiao()",5000);
//改变秒数
function changeSec(){
//改变数字
$("myspan").innerText=parseInt($("myspan").innerText)-1;
}
var myInterval=setInterval("changeSec()",1000);
//获取对象
function $(id){
return document.getElementById(id);
}
</script>
</head>
<body>
登录成功<span id="myspan">5</span>秒后自动跳转
</body>
</html>
