diff --git a/lib/director/browser.js b/lib/director/browser.js
index 1e47293..11c8be4 100644
--- a/lib/director/browser.js
+++ b/lib/director/browser.js
@@ -93,6 +93,7 @@ var listener = {
       this.mode = 'legacy';
     }
 
+    this.initOnchange = onchange;
     Router.listeners.push(fn);
 
     return this.mode;
@@ -147,6 +148,10 @@ var listener = {
     return this;
   },
 
+  isOnHashChange: function() {
+    return window.onhashchange === this.initOnchange;
+  },
+
   onHashChanged: function () {}
 };
 
@@ -284,3 +289,7 @@ Router.prototype.getPath = function () {
   }
   return path;
 };
+
+Router.prototype.isOnHashChange = function() {
+  return listener.isOnHashChange();
+};