Javascript倒计时页面跳转实例小结

复制代码 代码如下:


<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>10分00秒</strong>
 

例2

倒计时跳转页面

复制代码 代码如下:


<title>JS倒计时网页自动跳转代码</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>3</span>秒钟后自动跳转,如果不跳转,请点击下面的链接<a href="https://www.jb51.net">我的百度</a>
<script type="text/javascript">
delayURL("https://www.jb51.net");
</script>
 

例3 防刷新的倒计时代码

复制代码 代码如下:


<!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> </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></div>  
</body> 
</html>
 



例4:结合图片数字的现实更漂亮

代码中有图片,直接提供一个演示地址,注意里面的图片地址

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