JavaScript 放京东倒计时

最新推荐文章于 2023-11-18 08:24:37 发布

原创最新推荐文章于 2023-11-18 08:24:37 发布 · 216 阅读

0 ·

CC 4.0 BY-SA版权

文章标签：

#javascript #css3 #html

JavaScript 专栏收录该内容

1 篇文章

订阅专栏

本文介绍如何利用JavaScript编写京东倒计时效果，结合HTML和CSS3，展示实时更新的倒计时计时器，适用于电商促销活动等场景。

JavaScript 放京东倒计时

<!DOCTYPE html>
<html lang="zh-CN">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        * {
            margin: 0;
            padding: 0;
        }
        
        li {
            list-style: none;
        }
        
        .box {
            width: 190px;
            height: 260px;
            background-color: #dd3123;
            text-align: center;
            color: #ffffff;
        }
        
        .time div {
            display: inline-block;
        }
        
        .miaosha {
            display: inline-block;
            margin-bottom: 100px;
            margin-top: 31px;
            font-size: 30px;
            font-weight: 700;
        }
        
        .time {
            display: inline-block;
            height: 30px;
            /* background-color: black; */
            line-height: 30px;
            text-align: center;
        }
        
        .h {
            display: inline-block;
            height: 30px;
            width: 30px;
            background-color: black;
        }
        
        .m {
            display: inline-block;
            height: 30px;
            width: 30px;
            background-color: black;
        }
        
        .s {
            display: inline-block;
            height: 30px;
            width: 30px;
            background-color: black;
        }
        
        span {
            margin-top: 15px;
            font-weight: 700;
        }
    </style>

</head>

<body>
    <div class="box">
        <p class="miaosha">京东秒杀</p>
        <p class="jieshu">12:00点场 距结束</p>
        <div class="time">
            <span class="h"></span>
            <span>:</span>
            <span class="m"></span>
            <span>:</span>
            <span class="s"></span>
        </div>
    </div>

    <script>
        var hh = document.querySelector('.h');
        var mm = document.querySelector('.m');
        var ss = document.querySelector('.s');
        var inputTime = +new Date('2021-11-22 17:30:00');
        countDown();
        setInterval(countDown, 1000);

        function countDown() {
            var nowTime = +new Date();
            var times = (inputTime - nowTime) / 1000;
            var h = parseInt(times / 60 / 60 % 24);
            h = h < 10 ? '0' + h : h;
            hh.innerHTML = h;
            var m = parseInt(times / 60 % 60);
            m = m < 10 ? '0' + m : m;
            mm.innerHTML = m;
            var s = parseInt(times % 60);
            s = s < 10 ? '0' + s : s;
            ss.innerHTML = s;


        }
    </script>

</body>

</html>