原生倒计时

最新推荐文章于 2024-03-01 16:15:09 发布

转载最新推荐文章于 2024-03-01 16:15:09 发布 · 182 阅读

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最近做倒计时比较多,所以给大家上一个那原生写的倒计时demo

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div>
    距结束还剩：<span class="JS-tian"></span>天<span class="JS-shi"></span>时<span class="JS-fen"></span>分<span class="JS-miao"></span>秒
</div>

<script>
    (function () {
        var tian = document.getElementsByClassName('JS-tian')[0];
        var shi = document.getElementsByClassName('JS-shi')[0];
        var fen = document.getElementsByClassName('JS-fen')[0];
        var miao = document.getElementsByClassName('JS-miao')[0];
        var endTime = new Date('2117/07/12 23:59:59').getTime() + 1000;
        var interval = null;
        interval = setInterval(function () {
            var syhm = endTime - Date.now(); // 剩余毫秒
            if (syhm >= 0) {
                tian.innerText = Math.floor(syhm / 1000 / 60 / 60 / 24);
                shi.innerText = Math.floor(syhm / 1000 / 60 / 60 % 24);
                fen.innerText = Math.floor(syhm / 1000 / 60 % 60);
                miao.innerText = Math.floor(syhm / 1000 % 60);
            } else {
                clearInterval(interval);
            }
        }, 0);
    })();
</script>
</body>
</html>