countDown

<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
    <title>countDown</title>
    <meta name="description" content="">
    <meta name="keywords" content="">
    <link href="" rel="stylesheet">
</head>
<body>
    <span></span>
    <span></span>
    <span></span>
    <span>小时</span>
    <span></span>
    <span>分钟</span>
    <span></span>
    <span></span>
    <span></span>
    <span>毫秒</span>
</body>
<script type="text/javascript">
    var spans = document.getElementsByTagName('span');
    var endDate = new Date('2015/06/01,00:00:00');
    var timer = setInterval(function(){
        var nowDate = new Date();
        var a = endDate.getTime()-nowDate.getTime();
        spans[0].innerHTML = Math.floor(a/24/60/60/1000);
        spans[2].innerHTML = Math.floor(a/60/60/1000%24);
        spans[4].innerHTML = Math.floor(a/60/1000%60);
        spans[6].innerHTML = Math.floor(a/1000%60);
        spans[8].innerHTML = Math.floor(a%1000);
        
    },1)
</script>
</html>
原文地址:https://www.cnblogs.com/guyw/p/4478943.html