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`

html element: audio: `autoplay` attribute

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