From 1e7cd986eea1cd6315f227572c1141827a08d995 Mon Sep 17 00:00:00 2001
From: Leopoldo Brines <leobrines@gmail.com>
Date: Wed, 20 Jul 2016 20:04:25 -0400
Subject: [PATCH] Check if hidden is available first

---
 src/core/Stage.js | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/core/Stage.js b/src/core/Stage.js
index 0f227fdc2..77046ad48 100644
--- a/src/core/Stage.js
+++ b/src/core/Stage.js
@@ -226,7 +226,11 @@ Phaser.Stage.prototype.updateTransform = function () {
 */
 Phaser.Stage.prototype.checkVisibility = function () {
 
-    if (document.webkitHidden !== undefined)
+    if (document.hidden !== undefined)
+    {
+        this._hiddenVar = 'visibilitychange';
+    }
+    else if (document.webkitHidden !== undefined)
     {
         this._hiddenVar = 'webkitvisibilitychange';
     }
@@ -238,10 +242,6 @@ Phaser.Stage.prototype.checkVisibility = function () {
     {
         this._hiddenVar = 'msvisibilitychange';
     }
-    else if (document.hidden !== undefined)
-    {
-        this._hiddenVar = 'visibilitychange';
-    }
     else
     {
         this._hiddenVar = null;