From b1882f870ae2e00b1a57659b1bffa1dc5cd7b10f Mon Sep 17 00:00:00 2001
From: Weizenlol <winliveweiz@gmail.com>
Date: Thu, 26 May 2016 11:30:36 +0300
Subject: [PATCH] Added own property check when deleting listeners.

React crash when default object prototype is modified.
---
 src/renderers/shared/stack/event/EventPluginHub.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/renderers/shared/stack/event/EventPluginHub.js b/src/renderers/shared/stack/event/EventPluginHub.js
index 270d1665d8e4f..2bbdef1f7054e 100644
--- a/src/renderers/shared/stack/event/EventPluginHub.js
+++ b/src/renderers/shared/stack/event/EventPluginHub.js
@@ -157,6 +157,10 @@ var EventPluginHub = {
    */
   deleteAllListeners: function(inst) {
     for (var registrationName in listenerBank) {
+      if (!listenerBank.hasOwnProperty(registrationName)) {
+        continue;
+      }
+      
       if (!listenerBank[registrationName][inst._rootNodeID]) {
         continue;
       }