<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题</title>
</head>
<body>
<h1>操作成功</h1>
<a id="time"/>199<a>秒后</a><a href="goback()">返回</a>
<script type="text/javascript">
setTimeout("open()",5000);
var num = 5;
function time()
{
document.getElementById("time").innerHTML=num;
num--;
setTimeout(time,1000);
}
time();//原来定义了函数 要用它所以才重新调用了一次time()函数。
function open ()
{
// body...
window.location.href="http://www.imooc.com";
}
function goback ()
{
// body...
window.history.go(-1);
}
</script>
</body>
</html>总算是看懂了！
