/* eslint-disable */ /** * YDUI 可伸缩布局方案 * rem计算方式:设计图尺寸px / 100 = 实际rem 例: 100px = 1rem */ !(function(window) { /* 设计图文档宽度 */ var docWidth = 750; var doc = window.document, docEl = doc.documentElement, resizeEvt = 'orientationchange' in window ? 'orientationchange' : 'resize'; var recalc = (function refreshRem() { var clientWidth = docEl.getBoundingClientRect().width; /* 8.55:小于320px不再缩小,11.2:大于420px不再放大 */ docEl.style.fontSize = Math.max(Math.min(20 * (clientWidth / docWidth), 11.2), 8.55) * 5 + 'px'; return refreshRem; })(); /* 添加倍屏标识,安卓倍屏为1 */ docEl.setAttribute('data-dpr', window.navigator.appVersion.match(/iphone/gi) ? window.devicePixelRatio : 1); if (/iP(hone|od|ad)/.test(window.navigator.userAgent)) { /* 添加IOS标识 */ doc.documentElement.classList.add('ios'); /* IOS8以上给html添加hairline样式,以便特殊处理 */ if (parseInt(window.navigator.appVersion.match(/OS (\d+)_(\d+)_?(\d+)?/)[1], 10) >= 8) doc.documentElement.classList.add('hairline'); } if (!doc.addEventListener) return; window.addEventListener(resizeEvt, recalc, false); doc.addEventListener('DOMContentLoaded', recalc, false); })(window);