first commit

项目合集/枸杞社/fontend/js/utils/rem.js

@@ -0,0 +1,20 @@
+!(function(win, doc) {
+    function setFontSize() {
+        var winWidth = window.innerWidth;
+        doc.documentElement.style.fontSize = (winWidth / 750) * 100 + 'px';
+    }
+    var evt = 'onorientationchange' in win ? 'orientationchange' : 'resize';
+    var timer = null;
+    win.addEventListener(evt, function() {
+        clearTimeout(timer);
+        timer = setTimeout(setFontSize, 300);
+    }, false);
+    win.addEventListener("pageshow", function(e) {
+        if (e.persisted) {
+            clearTimeout(timer);
+            timer = setTimeout(setFontSize, 300);
+        }
+    }, false);
+    //初始化 
+    setFontSize();
+}(window, document));