From d93acfcf7a3ac76ad8af5c3d7c0c31c1794f9aca Mon Sep 17 00:00:00 2001
From: Gary Katsevman <git@gkatsev.com>
Date: Wed, 7 Oct 2020 16:33:52 -0400
Subject: [PATCH] clear out the display if we turn off all the tracks

---
 src/js/tracks/text-track-display.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/js/tracks/text-track-display.js b/src/js/tracks/text-track-display.js
index 4dd7f3090..0f6d094d9 100644
--- a/src/js/tracks/text-track-display.js
+++ b/src/js/tracks/text-track-display.js
@@ -290,6 +290,8 @@ class TextTrackDisplay extends Component {
         this.setAttribute('aria-live', 'assertive');
       }
       this.updateForTrack(descriptionsTrack);
+    } else {
+      this.clearDisplay();
     }
   }