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clock.html
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clock.html
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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>
* {
margin: 0;
padding: 0;
list-style: none;
}
body {
background-color: black;
}
.clock {
position: relative;
left: 0;
right: 0;
bottom: 0;
top: 0;
margin: auto;
width: 600px;
height: 600px;
border: 1px solid white;
border-radius: 50%;
}
.aim {
position: absolute;
left: 0;
right: 0;
bottom: 0;
top: 0;
margin: auto;
width: 10px;
height: 10px;
border-radius: 50%;
background-color: red;
}
.second {
height: 250px;
top: 13%;
background-color: #fff;
transform-origin: 50% 88.8%;
}
.mintue {
height: 200px;
top: 20%;
background-color: #58a;
transform-origin: 50% 90%;
}
.hour {
height: 150px;
top: 28%;
background-color: orange;
transform-origin: 50% 88%;
}
.box {
position: absolute;
right: 0;
left: 0;
width: 3px;
margin: 0 auto;
}
i {
position: absolute;
top: 0px;
left: 50%;
width: 2px;
height: 15px;
background-color: #9c88ff;
transform-origin: 1px 300px;
}
</style>
</head>
<body>
<div class="clock">
<div class="aim"></div>
<div class="second box"></div>
<div class="mintue box"></div>
<div class="hour box"></div>
</div>
<script>
var clock = document.querySelector('.clock'),
fragment = document.createDocumentFragment()
//生成60个i标签，并插入clock里边
for (var i = 0; i < 60; i++) {//一共创建了60个i标签
var oI = document.createElement('i')
if ((i * 6 % 30) === 0) {
oI.style.cssText = `width:4px;height:25px;background-color:#9c88ff;transform:rotate(${i * 6}deg)`
} else {
oI.style.cssText = `transform:rotate(${i * 6}deg)`
}
fragment.append(oI)
}
clock.append(fragment)
var second = document.querySelector('.second'),
minute = document.querySelector('.mintue'),
hour = document.querySelector('.hour')
setInterval(nowTime, 1000)
var second_deg = 0
// console.log(second)
function nowTime() {
var date = new Date()
var Second = date.getSeconds(),
Minute = date.getMinutes(),
Hour = date.getHours()
second_deg += 6;
second.style.cssText = `transform:rotate(${second_deg}deg);`
minute.style.cssText = `transform:rotate(${(Minute + Second/ 60) * 6}deg);`
hour.style.cssText = `transform:rotate(${(Hour + Minute / 60) * 30}deg);`
// second.style.cssText = `transform:rotate(${Seconds_deg}deg);`
}
</script>
</body>
</html>