js自动缩放页面，html自动缩放页面，大屏自动缩放页面，数字看板自动缩放页面，大数据看板自动缩放页面
由纯JS实现
html代码
<!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,maximum-scale=1.0,minimum-scale=1.0,user-scalable=no">
<title>缩放</title>
<style>
* {
margin: 0;
padding: 0;
}
body {
overflow: hidden;
color: rgb(0, 0, 0);
background-color: #1d2553;
}
.main {
width: 1
