Video Tracks
- LSMethod of specifying and selecting between multiple video tracks. Useful for providing sign language tracks, burnt-in captions or subtitles, alternative camera angles, etc.
Chrome
- 4 - 44: Not supported
- 45 - 123: Disabled by default
- 124: Disabled by default
- 125 - 127: Disabled by default
Edge
- 12 - 18: Supported
- 79 - 122: Disabled by default
- 123: Disabled by default
Safari
- 3.1 - 6: Not supported
- 6.1 - 17.3: Supported
- 17.4: Supported
- 17.5 - TP: Supported
Firefox
- 2 - 32: Not supported
- 33 - 124: Disabled by default
- 125: Disabled by default
- 126 - 128: Disabled by default
Opera
- 9 - 31: Not supported
- 32 - 108: Disabled by default
- 109: Disabled by default
IE
- 5.5 - 10: Not supported
- 11: Not supported
Chrome for Android
- 123: Disabled by default
Safari on iOS
- 3.2 - 6.1: Not supported
- 7 - 17.3: Supported
- 17.4: Supported
- 17.5: Supported
Samsung Internet
- 4 - 23: Not supported
- 24: Not supported
Opera Mini
- all: Not supported
Opera Mobile
- 10 - 12.1: Not supported
- 80: Disabled by default
UC Browser for Android
- 15.5: Disabled by default
Android Browser
- 2.1 - 4.4.4: Not supported
- 123: Not supported
Firefox for Android
- 124: Not supported
QQ Browser
- 14.9: Disabled by default
Baidu Browser
- 13.52: Disabled by default
KaiOS Browser
- 2.5: Disabled by default
- 3: Disabled by default
- Resources:
- MDN Web Docs - HTMLMediaElement