A hasOwnProperty check has been applied to the SceneManager.createSceneFromObject method when parsing additional properties in the extend object

Author: photonstorm

CHANGELOG.md

@@ -11,6 +11,7 @@
 
 * When calling `Shader.setRenderToTexture()` it will now draw the shader just once, immediately to the texture, to avoid the texture being blank for a single frame (thanks Kyle)
 * The private `Shader._savedKey` property has been removed as it wasn't used anywhere internally.
+* A `hasOwnProperty` check has been applied to the `SceneManager.createSceneFromObject` method when parsing additional properties in the `extend` object (thanks @halilcakar)
 
 ### Bug Fixes
 

src/scene/SceneManager.js

@@ -397,7 +397,7 @@ var SceneManager = new Class({
      * @method Phaser.Scenes.SceneManager#remove
      * @since 3.2.0
      *
-     * @param {(string|Phaser.Scene)} scene - The Scene to be removed.
+     * @param {string} key - A unique key used to reference the Scene, i.e. `MainMenu` or `Level1`.
      *
      * @return {Phaser.Scenes.SceneManager} This SceneManager.
      */
@@ -768,6 +768,11 @@ var SceneManager = new Class({
         {
             for (var propertyKey in sceneConfig.extend)
             {
+                if (!sceneConfig.extend.hasOwnProperty(propertyKey))
+                {
+                    continue;
+                }
+
                 var value = sceneConfig.extend[propertyKey];
 
                 if (propertyKey === 'data' && newScene.hasOwnProperty('data') && typeof value === 'object')