In Safari you will see a video of animals that contains 2 metadata cue points. Browsers that do not support HLS playback will fallback to an mp4 that starts with an animated title "global timoto". There are no cues there. Open in Safari.

buffered: - of:
seekable: - of:
played: - of:
currentTime:
duration:
seekable duration:
ranges start to end: -
to
video tracks:
audio tracks:
text tracks: