版权声明：本文为博主原创文章，未经博主允许不得转载。 https://blog.csdn.net/YangBingX/article/details/82153462
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>js时分秒毫秒倒计时</title>
</head>
<body>
<div>
<span id="_d">00</span>
<span id="_h">00</span>
<span id="_m">00</span>
<span id="_s">00</span>
<span id="_ms">00</span>
</div>
<script type="text/javascript">
//倒计时
function GetRTime(){
var EndTime= new Date('2018/09/07 23:59:59'); //终止时间
var NowTime = new Date();
var t =EndTime.getTime() - NowTime.getTime();
var d=parseInt(t/ 1000 / 60 / 60 / 24);
h=parseInt(t/ 1000 / 60 / 60 % 24);
m=parseInt(t/ 1000 / 60 % 60);
s=parseInt(t/ 1000 % 60);
d <10 ? d = '0' +d :d =d;
h <10 ? h = '0' +h :h =h;
m <10 ? m = '0' +m :m =m;
s <10 ? s = '0' +s :s =s;
console.log(d+'天'+h+'时'+m+'分'+s+'秒');
//将倒计时赋值到div中
document.getElementById("_d").innerHTML = d ;
document.getElementById("_h").innerHTML = h ;
document.getElementById("_m").innerHTML = m ;
document.getElementById("_s").innerHTML = s ;
if(t < 0){
clearTimeout(GetRTime);
return false;
}
setTimeout(GetRTime,1000);
}
GetRTime();
</script>
</body>
</html>