<script>
(function (win, doc) {
if (!win.addEventListener) return;
var html = document.documentElement;
function setFont() {
var html = document.documentElement;
var k = 750;
html.style.fontSize = html.clientWidth / k * 100 + "px";
}
setFont();
setTimeout(function () {
setFont();
}, 300);
doc.addEventListener('DOMContentLoaded', setFont, false);
win.addEventListener('resize', setFont, false);
win.addEventListener('load', setFont, false);
})(window, document);
</script>
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转载于:https://juejin.im/post/5beaa67351882549e1157d51