基本信息
源码名称：javascript 实现网页 倒计时 代码
源码大小：0.03M
文件格式：.zip
开发语言：js
更新时间：2016-08-08
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   源码介绍 

<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>jquery版的网页倒计时效果</title>
<style type="text/css">
h1 {
	font-family:"微软雅黑";
	font-size:40px;
	margin:20px 0;
	border-bottom:solid 1px #ccc;
	padding-bottom:20px;
	letter-spacing:2px;
}
.time-item strong {
	background:#C71C60;
	color:#fff;
	line-height:49px;
	font-size:36px;
	font-family:Arial;
	padding:0 10px;
	margin-right:10px;
	border-radius:5px;
	box-shadow:1px 1px 3px rgba(0,0,0,0.2);
}
#day_show {
	float:left;
	line-height:49px;
	color:#c71c60;
	font-size:32px;
	margin:0 10px;
	font-family:Arial,Helvetica,sans-serif;
}
.item-title .unit {
	background:none;
	line-height:49px;
	font-size:24px;
	padding:0 10px;
	float:left;
}

</style>
<script type="text/javascript" src="js/jquery.min.js"></script>
<script type="text/javascript">

var intDiff = parseInt(60);//倒计时总秒数量

function timer(intDiff){
	window.setInterval(function(){
	var day=0,
		hour=0,
		minute=0,
		second=0;//时间默认值		
	if(intDiff > 0){
		day = Math.floor(intDiff / (60 * 60 * 24));
		hour = Math.floor(intDiff / (60 * 60)) - (day * 24);
		minute = Math.floor(intDiff / 60) - (day * 24 * 60) - (hour * 60);
		second = Math.floor(intDiff) - (day * 24 * 60 * 60) - (hour * 60 * 60) - (minute * 60);
	}
	if (minute <= 9) minute = '0'   minute;
	if (second <= 9) second = '0'   second;
	$('#day_show').html(day "天");
	$('#hour_show').html('<s id="h"></s>' hour '时');
	$('#minute_show').html('<s></s>' minute '分');
	$('#second_show').html('<s></s>' second '秒');
	intDiff--;
	}, 1000);
} 

$(function(){
	timer(intDiff);
});	
</script>
</head>
<body>
<h1>网页上的倒计时</h1>
<div class="time-item">
	<span id="day_show">0天</span>
	<strong id="hour_show">0时</strong>
	<strong id="minute_show">0分</strong>
	<strong id="second_show">0秒</strong>
</div>
<!--倒计时模块-->

</body>
</html>