From fb2fe462df209086d3e6c33cc14d1ff236fc0e78 Mon Sep 17 00:00:00 2001
From: Bill Thornton <billt2006@gmail.com>
Date: Wed, 26 Feb 2020 00:19:04 -0500
Subject: [PATCH] Fix redundant double negation errors

---
 src/components/alphanumericshortcuts/alphanumericshortcuts.js | 2 +-
 src/components/apphost.js                                     | 2 +-
 src/scripts/browserdeviceprofile.js                           | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/components/alphanumericshortcuts/alphanumericshortcuts.js b/src/components/alphanumericshortcuts/alphanumericshortcuts.js
index 0c62add1e..2bcf3712b 100644
--- a/src/components/alphanumericshortcuts/alphanumericshortcuts.js
+++ b/src/components/alphanumericshortcuts/alphanumericshortcuts.js
@@ -10,7 +10,7 @@ define(['dom', 'focusManager'], function (dom, focusManager) {
         if (e.ctrlKey) {
             return;
         }
-        if (!!e.shiftKey) {
+        if (e.shiftKey) {
             return;
         }
         if (e.altKey) {
diff --git a/src/components/apphost.js b/src/components/apphost.js
index 291f531eb..83426a326 100644
--- a/src/components/apphost.js
+++ b/src/components/apphost.js
@@ -324,7 +324,7 @@ define(["appSettings", "browser", "events", "htmlMediaHelper"], function (appSet
       * Ask user for exit
       */
     function askForExit() {
-        if (!!exitPromise) {
+        if (exitPromise) {
             return;
         }
 
diff --git a/src/scripts/browserdeviceprofile.js b/src/scripts/browserdeviceprofile.js
index 7eb2c3caf..b45bdc59b 100644
--- a/src/scripts/browserdeviceprofile.js
+++ b/src/scripts/browserdeviceprofile.js
@@ -92,7 +92,7 @@ define(['browser'], function (browser) {
             return true;
         }
 
-        if (!!videoTestElement.canPlayType) {
+        if (videoTestElement.canPlayType) {
             return videoTestElement.canPlayType('application/x-mpegurl; codecs="avc1.42E01E, ac-3"').replace(/no/, '') ||
                 videoTestElement.canPlayType('application/vnd.apple.mpegURL; codecs="avc1.42E01E, ac-3"').replace(/no/, '');
         }