missing file

rc-busness/static/js/rem.js

@@ -0,0 +1,46 @@
+;(function(designWidth, maxWidth) {
+	var doc = document,
+	win = window,
+	docEl = doc.documentElement,
+	remStyle = document.createElement("style"),
+	tid;
+
+	function refreshRem() {
+		var width = docEl.getBoundingClientRect().width;
+		maxWidth = maxWidth || 540;
+		width>maxWidth && (width=maxWidth);
+		var rem = width * 100 / designWidth;
+		remStyle.innerHTML = 'html{font-size:' + rem + 'px;}';
+	}
+
+	if (docEl.firstElementChild) {
+		docEl.firstElementChild.appendChild(remStyle);
+	} else {
+		var wrap = doc.createElement("div");
+		wrap.appendChild(remStyle);
+		doc.write(wrap.innerHTML);
+		wrap = null;
+	}
+	//要等 wiewport 设置好后才能执行 refreshRem，不然 refreshRem 会执行2次；
+	refreshRem();
+
+	win.addEventListener("resize", function() {
+		clearTimeout(tid); //防止执行两次
+		tid = setTimeout(refreshRem, 300);
+	}, false);
+
+	win.addEventListener("pageshow", function(e) {
+		if (e.persisted) { // 浏览器后退的时候重新计算
+			clearTimeout(tid);
+			tid = setTimeout(refreshRem, 300);
+		}
+	}, false);
+
+	if (doc.readyState === "complete") {
+		doc.body.style.fontSize = "14px";
+	} else {
+		doc.addEventListener("DOMContentLoaded", function(e) {
+			doc.body.style.fontSize = "14px";
+		}, false);
+	}
+})(37.5, 37.5);