1 files changed, 10 insertions, 1 deletions
diff --git a/youtube/static/js/common.js b/youtube/static/js/common.js
index f2e62fe..4c7ee51 100644
--- a/youtube/static/js/common.js
+++ b/youtube/static/js/common.js
@@ -20,4 +20,13 @@ function getActiveTranscriptTrackIdx() {
     }
     return cur_tt_idx;
 }
-function getActiveTranscriptTrack() { return Q("video").textTracks[getActiveTranscriptTrackIdx()]; }
-\ No newline at end of file
+function getActiveTranscriptTrack() { return Q("video").textTracks[getActiveTranscriptTrackIdx()]; }
+
+function getDefaultTranscriptTrackIdx() {
+  let tts = Q("video").textTracks;
+  return tts.length - 1;
+}
+
+window.addEventListener('DOMContentLoaded', function() {
+    cur_tt_idx = getDefaultTranscriptTrackIdx();
+});