lovecoding
/
web0715


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        ul{
            margin: 0;
            padding: 0;
        }
        li{
            list-style: none;
        }

        .box{
            width: 402px;
            height: 402px;
            border:1px dashed black;
            margin: 100px auto;
        }
        .clock{
            width: 400px;
            height: 400px;
            border: 1px solid black;
            border-radius: 50%;
            position: relative;
            transform: rotate(180deg);
        }
        .clock li{
            width: 4px;
            height: 8px;
            background-color: #000;
            position: absolute;
            top: 0;
            left: 50%;
            transform-origin: 0 200px;
        }
        .clock li:nth-child(5n + 1){
            height: 16px;
        }
        .clock div{
            position: absolute;
            top: 200px;
            left: 50%;
            margin-left: -2px;
            /* transform: translateY(-100%); */
            transform-origin: 0 0;
        }
        .hour{
            width: 4px;
            height: 80px;
            background-color: red;
        }
        .minute{
            width: 4px;
            height: 120px;
            background-color: blue;
        }
        .seconds{
            width: 4px;
            height: 160px;
            background-color: green;
        }
    </style>
</head>
<body>
    <div class="box">
        <div class="clock">
            <ul>
                
            </ul>
            <div class="seconds"></div>
            <div class="minute"></div>
            <div class="hour"></div>
        </div>
    </div>
    <script>
        let oUl = document.getElementsByTagName("ul")[0];
        let oSecond = document.getElementsByClassName("seconds")[0];
        let oMinute = document.getElementsByClassName("minute")[0];
        let oHour = document.getElementsByClassName("hour")[0];
        for(let i=0;i<60;i++){
            let oLi = document.createElement("li");
            oLi.style.transform = `rotate(${i*6}deg)`;
            oUl.append(oLi);
        }

        setInterval(() => {
            let nowTimer = new Date();
            let second = nowTimer.getSeconds();
            let minute = nowTimer.getMinutes();
            let hour = nowTimer.getHours();
            console.log(second);
            oSecond.style.transform = `rotate(${second*6}deg)`;
            oMinute.style.transform = `rotate(${minute*6}deg)`;
            oHour.style.transform = `rotate(${hour*30}deg)`;
        }, 1000);
    </script>
</body>
</html>