17 lines
590 B
JavaScript
17 lines
590 B
JavaScript
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(function (doc, win) {
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var docEl = doc.documentElement,
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resizeEvt = 'orientationchange' in window ? 'orientationchange' : 'resize',
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recalc = function () {
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var clientWidth = docEl.clientWidth;
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if (!clientWidth) return;
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if(clientWidth>=640){
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docEl.style.fontSize = '100px';
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}else{
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docEl.style.fontSize = 100 * (clientWidth / 750) + 'px';
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}
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};
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if (!doc.addEventListener) return;
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win.addEventListener(resizeEvt, recalc, false);
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doc.addEventListener('DOMContentLoaded', recalc, false);
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})(document, window);
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