pushing out fix for requestFrame

jyjunyz · May 11, 2014 · 2405934 · 2405934
1 parent 7174994
commit 2405934
Showing 1 changed file with 13 additions and 7 deletions.
diff --git a/src/core.js b/src/core.js
@@ -646,13 +646,19 @@
       });
     },
 
-    requestFrame: win.requestAnimationFrame ||
-                  win[prefix.lowercase + 'RequestAnimationFrame'] ||
-                  function(fn){ return win.setTimeout(fn, 20); },
-
-    cancelFrame: win.cancelAnimationFrame ||
-                 win[prefix.lowercase + 'CancelAnimationFrame'] ||
-                 win.clearTimeout,
+    requestFrame: (function(){
+      var raf = win.requestAnimationFrame ||
+                win[prefix.lowercase + 'RequestAnimationFrame'] ||
+                function(fn){ return win.setTimeout(fn, 20); };
+      return function(fn){ return raf(fn); };
+    })(),
+
+    cancelFrame: (function(){
+      var cancel = win.cancelAnimationFrame ||
+                   win[prefix.lowercase + 'CancelAnimationFrame'] ||
+                   win.clearTimeout;
+      return function(id){ return cancel(id); };  
+    })(),
 
     matchSelector: function (element, selector) {
       return matchSelector.call(element, selector);