<script type="text/javascript" language="javascript">
var starttime = new date();
var endtime=starttime.gettime()+10*60*1000;
var g_blinkswitch = 0;
var g_blinktitle = document.title;
function getremaintime(){
var nowtime = new date();
var nms =endtime - nowtime.gettime();
var nm=math.floor(nms/(1000*60)) % 60;
var ns=math.floor(nms/1000) % 60;
if(nm==0&&ns==0&&nms<1000) //当倒计时结束
{
window.focus();
setinterval("blinknewmsg()", 1000);
window.location.reload();
}
if(ns < 10) ns = "0" + ns;
if(nms >= 0){
document.getelementbyid("remaintime").innerhtml= nm + "分" + ns + "秒";
settimeout("getremaintime()",1000);
}
}
function blinknewmsg()
{
document.title = g_blinkswitch % 2==0 ? "【 】 - " + g_blinktitle : "【新消息】 - " +
g_blinktitle;
g_blinkswitch++;
}
window.onload=getremaintime;
</script>
<strong id="remaintime">10分00秒</strong>
<title>js倒计时网页自动跳转代码 - www.jb200.com</title>
<script language="javascript" type="text/javascript">
function delayurl(url) {
var delay = document.getelementbyid("time").innerhtml;
if(delay > 0) {
delay--;
document.getelementbyid("time").innerhtml = delay;
} else {
window.top.location.href = url;
}
settimeout("delayurl('" + url + "')", 1000);
}
</script>
<span id="time" style="background: #00bfff">3</span>秒钟后自动跳转，如果不跳转，请点击下面的链接<a href="http://www.jb200.com">我的
百度</a>
<script type="text/javascript">
delayurl("http://www.jb200.com");
</script>
<!doctype html public "-//w3c//dtd xhtml 1.0 transitional//en" "http://www.w3.org/tr/xhtml1/dtd/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="content-type" content="text/html; charset=gb2312" />
<title>防刷新的倒计时代码 - www.jb200.com</title>
</head>
<body>
<script language="javascript">
<!--
var maxtime;
if(window.name==''){
maxtime = 1*60;
}else{
maxtime = window.name;
}
function countdown(){
if(maxtime>=0){
minutes = math.floor(maxtime/60);
seconds = math.floor(maxtime%60);
msg = "距离考试结束还有"+minutes+"分"+seconds+"秒";
document.all["timer"].innerhtml = msg;
if(maxtime == 5*60) alert('注意，还有5分钟!');
--maxtime;
window.name = maxtime;
}
else{
clearinterval(timer);
alert("考试时间到，结束!");
}
}
timer = setinterval("countdown()",1000);
//-->
</script>
<div id="timer" style="color:red"></div>
</body>
</html>
