核心提示：!DOCTYPE htmlhtmlheadmeta charset=utf-8title/titlemeta name=viewport content=width=device-width,init...
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no" />
<style type="text/css">
*{padding: 0;margin: 0;}
html body{
height: 100%;
width: 100%;
}
.list{
width: 100%;
display: flex;
align-items: center;
justify-content: center;
}
.list li{
height: 2rem;
width: 2rem;
background: red;
border-radius: 2rem;
font-size: 0.5rem;
}
</style>
</head>
<body>
<ul class="list">
<li>1</li>
<li>2</li>
<li>3</li>
</ul>
<ul class="list">
<li>4</li>
<li>5</li>
<li>6</li>
</ul>
</body>
<script type="text/javascript">
// 控制rem值
document.documentElement.style.fontSize=document.documentElement.clientWidth/7.2+'px';
//DOM reload-- firefox兼容 ,用户企图改变浏览器窗口大小的时候
window.addEventListener('resize',function({
document.documentElement.style.fontSize=document.documentElement.clientWidth/7.2+'px';
})
</script>
</html>
