Calculate the size of the design drawing and the window width. The window width is enlarged by 100 times,
that is, 1rem = 100px
is introduced in the head tag, so that the page can fit the screen as soon as it is loaded.
; (function (win) {
var tid;
function refreshRem() {
let designSize = 1920; // 设计图尺寸
let html = document.documentElement;
let wW = html.clientWidth;// 窗口宽度
let rem = wW * 100 / designSize;
document.documentElement.style.fontSize = rem + 'px';
}
win.addEventListener('resize', function () {
clearTimeout(tid);
tid = setTimeout(refreshRem, 300);
}, false);
win.addEventListener('pageshow', function (e) {
if (e.persisted) {
clearTimeout(tid);
tid = setTimeout(refreshRem, 300);
}
}, false);
refreshRem();
})(window);
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