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ClassContent/历届学生/fontendseven/项目练习/上课项目/psd/js/rem.js
2024-09-27 02:06:13 +08:00

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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(750, 100)
};
window.onresize = function () {
getRem(750, 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";
}