Update client_side_ad.js

shaka-project · Jan 12, 2022 · e4448a6 · e4448a6
1 parent 3f8f31d
commit e4448a6
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lib/ads/client_side_ad.js b/lib/ads/client_side_ad.js
@@ -183,7 +183,7 @@ shaka.ads.ClientSideAd = class {
     let isInFullscreen = false;
     const video = /** @type {HTMLVideoElement} */(this.video_);
     if (document.fullscreenEnabled) {
-      isInFullscreen = document.fullscreenElement;
+      isInFullscreen = !!document.fullscreenElement;
     } else if (video.webkitSupportsFullscreen) {
       isInFullscreen = video.webkitDisplayingFullscreen;
     }