Check if the cue has changed before updating the HTML. (#853)

Islandora · Oct 28, 2021 · adbfea7 · adbfea7
1 parent 01f22b7
commit adbfea7
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/modules/islandora_audio/js/audio.js b/modules/islandora_audio/js/audio.js
@@ -23,8 +23,10 @@
             initialized = true;
             if ($('audio')[0].textTracks.length > 0) {
                 $('audio')[0].textTracks[0].oncuechange = function() {
+                  if (this.activeCues.length > 0) {
                     var currentCue = this.activeCues[0].text;
                     $('#audioTrack').html(currentCue);
+                  }
                 }
             }
         }