js代码

<script src="js/jquery-1.11.3.min.js"></script>
<script src="js/jquery.mobile-1.4.5.min.js"></script>
<script src="js/index.js"></script>
<script>
	(function (doc, win) {
		var docEl = doc.documentElement,
		resizeEvt = 'orientationchange' in window ? 'orientationchange' : 'resize',
		recalc = function () {
		var clientWidth = docEl.clientWidth;
		if (!clientWidth) return;
		docEl.style.fontSize = 100 * (clientWidth / 640) + 'px';
		};
		if (!doc.addEventListener) return;
		win.addEventListener(resizeEvt, recalc, false);
		doc.addEventListener('DOMContentLoaded', recalc, false);
	})(document, window);
</script>