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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<!-- <meta name="viewport" content="width=device-width,initial-scale=1.0"> -->
<meta name="viewport" content="width=device-width,initial-scale=1.0,minimum-scale=1.0,maximum-scale=1.0,user-scalable=no" />
<!-- 启用360浏览器的极速模式(webkit) -->
<meta name="renderer" content="webkit">
<!-- 避免IE使用兼容模式 -->
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<!-- 针对手持设备优化,主要是针对一些老的不识别viewport的浏览器,比如黑莓 -->
<meta name="HandheldFriendly" content="true">
<!-- 微软的老式浏览器 -->
<meta name="MobileOptimized" content="320">
<!-- uc强制竖屏 -->
<meta name="screen-orientation" content="portrait">
<!-- QQ强制竖屏 -->
<meta name="x5-orientation" content="portrait">
<!-- UC强制全屏 -->
<meta name="full-screen" content="yes">
<!-- QQ强制全屏 -->
<meta name="x5-fullscreen" content="true">
<!-- UC应用模式 -->
<meta name="browsermode" content="application">
<!-- QQ应用模式 -->
<meta name="x5-page-mode" content="app">
<!-- windows phone 点击无高光 -->
<meta name="msapplication-tap-highlight" content="no">
<meta content="telephone=no" name="format-detection" />
<meta name="huaban" content="nopin" />
<link rel="icon" type="image/x-icon" href="/favicon.ico">
<title>新茶饮</title>
<script src="/config.js"></script>
<script src="http://res.wx.qq.com/open/js/jweixin-1.0.0.js"></script>
</head>
<body>
<div id="app"></div>
<!--
在iphone 5 中1rem=16px;
html font-size =16px=1rem;
-->
<script>
//得到手机屏幕的宽度
let htmlWidth = document.documentElement.clientWidth || document.body.clientWidth;
console.log('htmlWidth', htmlWidth)
//得到html的Dom元素
let htmlDom = document.getElementsByTagName('html')[0];
// if(htmlWidth>640){//超过640大小的,字体根部都是16px
// htmlWidth=640;
// console.log('htmlWidth-true',htmlWidth)
// }
//设置根元素字体大小
htmlDom.style.fontSize = htmlWidth / 40 + 'px';
</script>
</body>
</html>