From 9b3e9a3c75ced605b9e00e71d6e03c316c8484f7 Mon Sep 17 00:00:00 2001
From: Kristiyan Kostadinov <crisbeto@users.noreply.github.com>
Date: Thu, 3 May 2018 23:19:33 +0200
Subject: [PATCH] chore: fix error when running demo app in IE11 (#11111)

---
 src/demo-app/index.html | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/demo-app/index.html b/src/demo-app/index.html
index 4d91dec4723..812d92c3d4a 100644
--- a/src/demo-app/index.html
+++ b/src/demo-app/index.html
@@ -12,8 +12,8 @@
   <link href="https://fonts.googleapis.com/css?family=Roboto:300,400,500" rel="stylesheet">
 
   <script>
-    if (customElements) {
-      customElements.forcePolyfill = true;
+    if (window.customElements) {
+      window.customElements.forcePolyfill = true;
     }
   </script>
   <script src="node_modules/@webcomponents/custom-elements/custom-elements.min.js"></script>
@@ -29,7 +29,7 @@
   <script src="node_modules/systemjs/dist/system.src.js"></script>
   <script src="node_modules/zone.js/dist/zone.js"></script>
   <script src="node_modules/hammerjs/hammer.min.js"></script>
-  
+
   <script>
     System.import('system-config.js').then(function () {
       System.import('main');