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- !function(n){
- var e=n.document,
- t=e.documentElement,
- i=720,
- d=i/100,
- o="orientationchange"in n?"orientationchange":"resize",
- a=function(){
- var n=t.clientWidth||320;n>720&&(n=720);
- t.style.fontSize=n/d+"px"
- };
- e.addEventListener&&(n.addEventListener(o,a,!1),e.addEventListener("DOMContentLoaded",a,!1))
- }(window);
- window.onload = function(){
- /*720代表设计师给的设计稿的宽度,你的设计稿是多少,就写多少;100代表换算比例,这里写100是
- 为了以后好算,比如,你测量的一个宽度是100px,就可以写为1rem,以及1px=0.01rem等等*/
- getRem(720,100)
- };
- window.onresize = function(){
- getRem(720,100)
- };
- function getRem(pwidth,prem){
- var html = document.getElementsByTagName("html")[0];
- var oWidth = document.body.clientWidth || document.documentElement.clientWidth;
- html.style.fontSize = oWidth/pwidth*prem + "px";
- }
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