html+css+js简易时钟

前端小小小白啊

于 2022-05-09 11:09:38 发布

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文章标签： html css javascript

本文链接：https://blog.youkuaiyun.com/djc341118/article/details/124661984

版权

直接上代码

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>

<body>
    <style>
        div {
            margin: 200px;
        }
        
        .hour,
        .minute,
        .second {
            display: inline-block;
            width: 40px;
            height: 40px;
            background-color: #333;
            font-size: 20px;
            color: #fff;
            text-align: center;
            line-height: 40px;
        }
        
        .sap {
            font-size: 20px;
            font-weight: bold;
        }
    </style>
    </head>

    <body>
        <div>
            <span class="hour"></span>
            <span class="sap">:</span>
            <span class="minute"></span>
            <span class="sap">:</span>
            <span class="second"></span>

        </div>
        <script>
    
            var hour = document.querySelector('.hour'); // 小时的黑色盒子
            var minute = document.querySelector('.minute'); // 分钟的黑色盒子
            var second = document.querySelector('.second'); // 秒数的黑色盒子
            var date = new Date();
            setInterval(getTimer, 1000);
            function getTimer() {
                var time = new Date();
                var h = time.getHours();
                var h = h < 10 ? "0" + h : h;
                hour.innerHTML = h;
                var m = time.getMinutes();
                var m = m < 10 ? "0" + m : m;
                minute.innerHTML = m;
                var s = time.getSeconds();
                var s = s < 10 ? "0" + s : s;
                second.innerHTML = s;
            }
        </script>
    </body>

</html>