1 /*
2 手机wap页面retina适配，基于rem; 1rem = 100px(iPhone6)
3 */
4 ;(function (doc, win) {
5 var docEl = doc.documentElement,
6 resizeEvt = 'orientationchange' in window ? 'orientationchange' : 'resize',
7 recalc = function () {
8 var clientWidth = docEl.clientWidth;
9 if (!clientWidth) return;
10 docEl.style.fontSize = 100 * (clientWidth / 750) + 'px'; //750为设计稿宽度
11 };
12
13 if (!doc.addEventListener) return;
14 win.addEventListener(resizeEvt, recalc, false);
15 doc.addEventListener('DOMContentLoaded', recalc, false);
16 })(document, window);
