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倒计时

2015-12-11 18:35 316 查看
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>JS实现倒计时(时、分,秒)</title>
<script type="text/javascript">
var interval = 1000;
function ShowCountDown(year, month, day, divname) {
var now = new Date();
var endDate = new Date(year, month - 1, day);
var leftTime = endDate.getTime() - now.getTime();
var leftsecond = parseInt(leftTime / 1000);
var day1 = Math.floor(leftsecond / (60 * 60 * 24));
var hour = Math.floor((leftsecond - day1 * 24 * 60 * 60) / 3600);
var minute = Math
.floor((leftsecond - day1 * 24 * 60 * 60 - hour * 3600) / 60);
var second = Math.floor(leftsecond - day1 * 24 * 60 * 60 - hour * 3600
- minute * 60);
var cc = document.getElementById(divname);
cc.innerHTML = "距离" + year + "年" + month + "月" + day + "日还有:" + day1
+ "天" + hour + "小时" + minute + "分" + second + "秒";
}
window.setInterval(function() {
ShowCountDown(2016, 01, 01, 'divdown1');
}, interval);
</script>
</head>
<body>
<div id="divdown1"></div>
</body>
</html>
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