移动端rem.js

1function remRefresh() {
2	let clientWidth = document.documentElement.clientWidth;
3	// 将屏幕分成10等份
4	let rem = clientWidth / 10;
5	document.documentElement.style.fontSize = rem + 'px'
6	document.body.style.fontSize = '12px'
7}
8
9window.addEventListener('pageshow', () => {
10	remRefresh()
11})
12
13// 函数防抖
14let timeoutId;
15window.addEventListener('resize', () => {
16	timeoutId && clearTimeout(timeoutId);
17	timeoutId = setTimeout(() => {
18		remRefresh()
19	}, 300)
20})