仿写笔记-[html+js+css]简易电子时钟来源实现 html clock.js 总结按照视频复现的简单的练手项

来源

学习视频来自于[JS+CSS简约好看的电子时钟效果~_哔哩哔哩_bilibili](https://www.bilibili.com/video/BV1AV4y1C7uq/?spm_id_from=333.880.my_history.page.click&vd_source=47be49ab0d7cd5a7b3de5a99b7bcff57)

实现

html

<!DOCTYPE html>
<html lang="en">
<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>Demo-时钟</title>
    <link rel="icon"  sizes="16x16" href="favicon.ico">

    <style >
        body{
            margin: 0;
            padding: 0;
            height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            background-color: #ececec;
            background-size: cover;
        }

        #main{
            width: 1200px;
            height: 300px;
            line-height: 300px;
            text-align: center;
            background-color: #ececec;
            border-radius: 70px;
            box-shadow: -10px -10px 20px rgba(255,255,255,.5),
                10px 10px 20px rgba(70,70,255,.12);
        }
        #clock{
            font-size: 200px;
            -webkit-text-stroke: 3px #fff;
            color: #000;
            letter-spacing: 25px;
        }
        
    </style>
</head>
<body>
    
    <div id="main">
        <div id="clock">12:00:00</div>
    </div>

    <script src="./clock.js"></script>
</body>
</html>

clock.js


let oClock = document.querySelector('#clock');
let addZero = (num)=>{
    if(num >10) return num;
    else return `0${num}` 
}

let updateTime = ()=>{
    let now = new Date();
    let time = addZero(now.getHours())+":"+addZero(now.getMinutes())+":"+addZero(now.getSeconds());
    oClock.innerText = time;
}
updateTime(); //先直接执行
setInterval(updateTime, 1000)

效果

总结

按照视频复现的简单的练手项目，实现时钟效果,另外，可以使用网站进行标签页图标的转换（www.favicon-generator.org/)