1. Audio element

    Method of playing sound on webpages (without requiring a plug-in). Includes support for the following media properties: `currentSrc`, `currentTime`, `paused`, `playbackRate`, `buffered`, `duration`, `played`, `seekable`, `ended`, `autoplay`, `loop`, `controls`, `volume` & `muted`

  2. Video element

    Method of playing videos on webpages (without requiring a plug-in). Includes support for the following media properties: `currentSrc`, `currentTime`, `paused`, `playbackRate`, `buffered`, `duration`, `played`, `seekable`, `ended`, `autoplay`, `loop`, `controls`, `volume` & `muted`

  3. htmlmediaelement api: autoplay

  4. navigator api: getautoplaypolicy

  5. html element: audio: autoplay

  6. html element: iframe: allow: autoplay

  7. html element: video: autoplay

  8. html element: video: autoplay: autoplay requires `muted` attribute or no audio track

  9. headers http header: permissions-policy: autoplay