1. 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`

  2. htmlvideoelement api: height

  3. htmlvideoelement api: videoheight

  4. videoframe api: codedheight

  5. videoframe api: displayheight

  6. html element: video: aspect ratio computed from `width` and `height` attributes

  7. html element: video: height