Open fxxqq opened 6 years ago
// 动态计算全局字体大小(rem用) var maxDeviceWidth = 7.5; //设计稿宽度如果是750px的话 var windowWidth = window.innerWidth; function calFontSize(bodyRemVal) { maxDeviceWidth = 7.50; bodyRemVal = 7.50; document.documentElement.style.fontSize = document.getElementById('main').offsetWidth / bodyRemVal + 'px'; } window.onload = function() { calFontSize(maxDeviceWidth); } calFontSize(maxDeviceWidth);