Merge pull request #94 from dfilatov/use-mutation-observer

Use MutationObserver if possible
dfilatov · Jun 11, 2015 · 213f20d · 213f20d
2 parents c963ef9 + 25d5896
commit 213f20d
Showing 1 changed file with 13 additions and 1 deletion.
diff --git a/lib/vow.js b/lib/vow.js
@@ -36,7 +36,19 @@ var undef,
             };
         }
 
-        if(global.postMessage) { // modern browsers
+        var MutationObserver = global.MutationObserver || global.WebKitMutationObserver; // modern browsers
+        if(MutationObserver) {
+            var num = 1,
+                node = document.createTextNode('');
+
+            new MutationObserver(callFns).observe(node, { characterData : true });
+
+            return function(fn) {
+                enqueueFn(fn) && (node.data = (num *= -1));
+            };
+        }
+
+        if(global.postMessage) {
             var isPostMessageAsync = true;
             if(global.attachEvent) {
                 var checkAsync = function() {