html页面的倒计时代码。。。。急求!!!!

如题所述

第1个回答  2020-06-25
<!doctype html>
<html>
<head>
<meta charset="UTF-8">
<title>Document</title>
<style type="text/css">
h1{
font-size: 50px;
text-align: center;
}
</style>
</head>
<body>
<h1>倒计时:<span>50</span></h1>
<script type="text/javascript" src = "http://libs.baidu.com/jquery/1.10.0/jquery.min.js"></script>
<script type="text/javascript">
$(document).ready(function(){
var e = $("h1 span").first();
var i = 49;
var interval = setInterval(function(){
e.html(i);
i--;
if(i <= 0){
clearInterval(interval);
}
},1000);
})
</script>
</body>
</html>
第2个回答  2017-07-29
<body>
<div id="timer"></div>
<script type="text/javascript" language="javascript">
var endDate=new Date(2010,11,11,17,05,40);//年月日时分秒,月要减去1
(function daoJiShi()
{
var now=new Date();
var oft=Math.round((endDate-now)/1000);
var ofd=parseInt(oft/3600/24);
var ofh=parseInt((oft%(3600*24))/3600);
var ofm=parseInt((oft%3600)/60);
var ofs=oft%60;
document.getElementById('timer').innerHTML='还有 '+ofd+' 天 ' +ofh+ ' 小时 ' +ofm+ ' 分钟 ' +ofs+ ' 秒';
if(ofs<0){document.getElementById('timer').innerHTML='倒计时结束!';return;};
setTimeout('daoJiShi()',1000);
}());

</script>
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