用JavaScript实现新年倒计时

来源：互联网发布：算法导论第三版4 2 编辑：程序博客网时间：2024/05/22 17:57

<!DOCTYPE HTML><html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>新年倒计时</title><link rel="stylesheet" href="style.css"  /></head><body><div class="time">距离新的一年还有 <span id="LeftTime"></span></div><script>function FreshTime(){        var endtime=new Date("2017/1/28,00:00:00");//结束时间        var nowtime = new Date();//当前时间       var lefttime=  parseInt((endtime.getTime()-nowtime.getTime())/1000)  ;         d=  parseInt(lefttime/(24*60*60))  ;        h=  parseInt(lefttime/(60*60)%24)  ;        m=  parseInt(lefttime/60%60)  ;        s=  parseInt(lefttime%60)  ;               document.getElementById("LeftTime").innerHTML=d+"天"+h+"小时"+m+"分"+s+"秒";        if(lefttime<=0){        document.getElementById("LeftTime").innerHTML="新年快乐";        clearInterval(sh);        }}   FreshTime()   var sh;   sh= setInterval(FreshTime,1000)  ;</script></body></html>

css部分代码：

@charset "UTF-8";/* CSS Document */div{  margin:0;  padding:0;  border:0;}.time{  width:400px;  height:30px;  margin:30px auto;  font-size:14px;}#LeftTime{    color:red;}

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