页面REM单位配合JS实现 --- PX2REM
页面REM单位配合JS实现
JS 下载:https://github.com/hixiaoguan/html5-px2rem/blob/master/html5-px2rem-new.js
----HTML----
<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no,viewport-fit=cover">
----JS----
//rem adaptive
(function (doc, win) {
var docEl = doc.documentElement,
resizeEvt = 'orientationchange' in window ? 'orientationchange' : 'resize';
var recalc = function () {
var width = docEl.clientWidth;
if (width > 640) {
width = 640 ;
}
if (width < 320) {
width = 320 ;
}
docEl.style.fontSize = 100 * (width / 640) + 'px';
};
recalc();
if (!doc.addEventListener) return;
win.addEventListener(resizeEvt, recalc, false);
})(document, window);