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/y75475/article/details/69265610
<!DOCTYPE html>
<html>
<head>
<meta charset="{CHARSET}">
<title></title>
<script type="text/javascript">
window.onload = function(){
var divs = document.getElementsByTagName('div')[0];
var timer;
setInterval(function(){
var date = new Date(2017,2,26,18,40);
var date_now = new Date();//今天的时间
// alert(date);
var sy = （date.getTime()-date_now.getTime()/1000;
// alert(sy);
var day = (Math.floor(sy/60/60/24));//剩余天数
var hours =(Math.floor(sy/60/60%24));//剩余小时
var minute = (Math.floor(sy/60%60));//剩余分钟
var second = (Math.floor(sy%60));//剩余秒数
divs.innerHTML = ('距离世界末日还剩余'+day+'天'+hours+'小时'+ minute+"分"+ second+'秒');
},1000)
}
</script>
</head>
<body>
<style>
div{
width: 100%;
text-align: center;
}
</style>
<div id="">
</div>
</body>
</html>