(function (doc, win) {
var docEl = doc.documentElement,
resizeEvt = 'orientationchange' in window ? 'orientationchange' : 'resize',
recalc = function () {
var clientWidth = docEl.clientWidth;
if (!clientWidth) return;
docEl.style.fontSize = clientWidth / 7.5 + 'px';
//等价于clientWidth / 750 * 100 + 'px';
};
if (!doc.addEventListener) return;
win.addEventListener(resizeEvt, recalc, false);//resize
doc.addEventListener('DOMContentLoaded', recalc, false);//reload
})(document, window);
<head>
<meta charset="utf-8">
<title></title>
<meta name="keywords" content="cms" />
<meta name="description" content="cms"/>
<meta name="viewport" content="width=device-width,initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no,minimal-ui" />
<link rel="stylesheet" type="text/css" href="css/index.css">
<script type="text/javascript">
//为页面html动态设置font-size值
(function (doc, win) {
var docEl = doc.documentElement,
resizeEvt = 'orientationchange' in window ? 'orientationchange' : 'resize',
recalc = function () {
var clientWidth = docEl.clientWidth;
if (!clientWidth) return;
docEl.style.fontSize = clientWidth / 7.5 + 'px';
//等价于clientWidth / 750 * 100 + 'px';
};
if (!doc.addEventListener) return;
win.addEventListener(resizeEvt, recalc, false);//resize
doc.addEventListener('DOMContentLoaded', recalc, false);//reload
})(document, window);
</script>
</head>
<body>
</body>
</html>