本代码实现罗盘定时按随机数转过若干角度。
<!DOCTYPE html>
<html lang="zh-CN"><head>
<meta charset="utf-8" />
<title>指南针</title>
<meta name="description" content="User page" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<style>
.div {
width:163px;
height:163px;
position:absolute;
top:100px;
left:300px;
}
.bg1 {
background-image: url("./bg1.png");
}
.bg2 {
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