<!doctype html>
<html> <head>
<meta charset="utf-8">
<title>jquery版的网页倒计时效果</title>
<meta http-equiv="Content-type" content="text/html;charset=UTF-8" />
<meta content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0,user-scalable=no" name="viewport" id="viewport">
<meta name="format-detection" content="telephone=no" />
<meta content="yes" name="apple-mobile-web-app-capable" />
<meta content="black" name="apple-mobile-web-app-status-bar-style" />
<style type="text/css">
.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 src="https://cdn.staticfile.org/jquery/1.10.2/jquery.min.js"></script>
<script type="text/javascript">
var endTime = '2020/07/13 23:59:59';
var end_time = new Date(endTime);
var now = parseInt(new Date().getTime()/1000);
var end = parseInt(end_time.getTime() / 1000);
var intDiff = end - now;
// var intDiff = parseInt(30); //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>
<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>
</body> </html>
效果