1. classList (DOMTokenList)

    Method of easily manipulating classes on elements, using the `DOMTokenList` object.

  2. CSS3 3D Transforms

    Method of transforming an element in the third dimension using the `transform` property. Includes support for the `perspective` property to set the perspective in z-space and the `backface-visibility` property to toggle display of the reverse side of a 3D-transformed element.

  3. domtokenlist api: toggle

  4. domtokenlist api: toggle: `force` parameter

  5. element api: toggleattribute

  6. htmldetailselement api: `toggle` event

  7. htmlelement api: `beforetoggle` event

  8. htmlelement api: togglepopover

  9. htmlelement api: togglepopover: returns `true` or `false`

  10. htmlelement api: `toggle` event

  11. mediasession api: `setactionhandler()`: `"togglecamera"` type

  12. mediasession api: `setactionhandler()`: `"togglemicrophone"` type

  13. toggleevent api

  14. toggleevent api: newstate

  15. toggleevent api: oldstate

  16. toggleevent api: `toggleevent()` constructor