作者微信 bishe2022

智慧代码.
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<!DOCTYPE html>

<html>

 

<head>

<meta charset="utf-8" />

<title>倒计时代码</title>

<style type="text/css">

* {

margin: 0;

padding: 0;

font-family: "微软雅黑";

font-size: 20px;

}

.time {

overflow: hidden;

margin: 100px auto;

border: 1px solid blue;

text-align: center;

background: #65ed45;

border-radius: 10px;

padding: 20px;

width: 530px;

}

.time h3 {

font-size: 30px;

text-align: center;

padding-bottom: 30px;

letter-spacing: 5px;

}

.time h3 input {

border: none;

width: 100px;

height: 35px;

text-align: center;

border-radius: 8px;

background: #f2f2f2;

}

.time .even,

.time .odd {

float: left;

height: 50px;

text-align: center;

line-height: 50px;

margin-right: 10px;

border-radius: 8px;

}

.time .even {

width: 35px;

padding: 0 20px;

background: #b34e0a;

color: #ffffff;

}

.time .odd {

width: 20px;

padding: 0 10px;

background: #ffffff;

}

#lastDiv {

margin-right: 0;

}

</style>

</head>

 

<body>

<div class="time">

<h3>距离2021年元旦还有:</h3>

<div id="residueDays" class="even"></div>

<div class="odd">天</div>

<div id="residueHours" class="even"></div>

<div class="odd">时</div>

<div id="residueMinutes" class="even"></div>

<div class="odd">分</div>

<div id="residueSeconds" class="even"></div>

<div class="odd" id="lastDiv">秒</div>

</div>

</body>

 

</html>

<script src="http://libs.baidu.com/jquery/2.0.0/jquery.min.js"></script>

<script type="text/javascript">

function countDownTime() {

// 倒计时截止时间

var EndTime = new Date('2021/01/01 00:00:00');

// 现在的事件

var NowTime = new Date();

// 时间差（时间单位：ms）

var t = EndTime.getTime() - NowTime.getTime();

var d = 0;

var h = 0;

var m = 0;

var s = 0;

if(t >= 0) {

// 向下取整

d = Math.floor(t / 1000 / 60 / 60 / 24);

h = Math.floor(t / 1000 / 60 / 60 % 24);

m = Math.floor(t / 1000 / 60 % 60);

s = Math.floor(t / 1000 % 60);

}

// 如果是一位数，前面拼接"0"

function toDouble(num) {

return num < 10 ? '0' + num : num;

}

$("#residueDays").html(d);

$("#residueHours").html(toDouble(h));

$("#residueMinutes").html(toDouble(m));

$("#residueSeconds").html(toDouble(s));

}

setInterval(countDownTime, 1000)

</script>


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