js控制5秒返回指定界面，代码如下
<head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> <title>无标题文档</title> <script type="text/javascript"> function countDown(secs,surl){ //alert(surl); var jumpTo = document.getElementById(‘jumpTo‘); jumpTo.innerHTML=secs; if(--secs>0){ setTimeout("countDown("+secs+",‘"+surl+"‘)",1000); } else{ location.href=surl; } } </script> </head> <body><span id="jumpTo">5</span>秒后自动跳转到http://www.baidu.com/ <script type="text/javascript">countDown(5,‘http://www.baidu.com/‘);</script> </body> </html>
5秒返回上一个界面，代码如下：
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width" />
<title>没有权限</title>
@Styles.Render("~/Content/bootstrap3/css")
@Scripts.Render("~/s/jqbs")
</head>
<body>
<div>
<p style="text-align:center;margin-top:200px;font-size:larger;">
<img src="~/Content/images/404.png" />
Sorry！您没有访问该页面的权限！<span id="jumpTo">5</span>秒后返回上一个页面。
<button type="button" class="btn btn-primary"onclick="up()">返回上一个页面</button>
</p>
</div>
</body>
</html>
<script type="text/javascript">
countDown(5);
function up() {
window.history.back();
}
function countDown(secs) {
var jumpTo = document.getElementById(‘jumpTo‘);
jumpTo.innerHTML = secs;
if (--secs > 0) {
setTimeout("countDown(" + secs + ")", 1000);
}
else {
window.history.back();
}
}
</script>
原文：http://www.cnblogs.com/ginaprogram/p/7000723.html