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43 results found.

  1. Client Hints: DPR, Width, Viewport-Width

    DPR, Width, and Viewport-Width hints enable proactive content negotiation between client and server, enabling automated delivery of optimized assets - e.g. auto-negotiating image DPR resolution.

  2. CSS 2.1 selectors

    Basic CSS selectors including: `*` (universal selector), `>` (child selector), `:first-child`, `:link`, `:visited`, `:active`, `:hover`, `:focus`, `:lang()`, `+` (adjacent sibling selector), `[attr]`, `[attr="val"]`, `[attr~="val"]`, `[attr|="bar"]`, `.foo` (class selector), `#foo` (id selector)

  3. KeyboardEvent.code

    A `KeyboardEvent` property representing the physical key that was pressed, ignoring the keyboard layout and ignoring whether any modifier keys were active.

  4. requestIdleCallback

    API allowing the execution of JavaScript to be queued to run in idle browser time, either at the end of a frame or when the user is inactive. Also covers support for `cancelIdleCallback`. The API has similarities with `requestAnimationFrame`.

  5. document api: activeelement

  6. elementinternals api: ariaactivedescendantelement

  7. element api: ariaactivedescendantelement

  8. mediasession api: `setcameraactive()`

  9. mediasession api: `setmicrophoneactive()`

  10. mediasource api: activesourcebuffers

  11. mediastream api: active

  12. mediastream api: `active` event

  13. mediastream api: `inactive` event

  14. navigator api: activevrdisplays

  15. navigator api: activevrdisplays: secure context required

  16. performancenavigationtiming api: dominteractive

  17. performancetiming api: dominteractive

  18. rtcrtpsender api: `setparameters()`: `parameters.encodings` parameter: `parameters.encodings.active` parameter

  19. rtcstatsreport api: `outbound-rtp` stats: `active` in 'outbound-rtp' stats

  20. serviceworkerregistration api: active

  21. shadowroot api: activeelement

  22. texttrack api: activecues

  23. useractivation api: hasbeenactive

  24. useractivation api: isactive

  25. webgl2renderingcontext api: activetexture

  26. webgl2renderingcontext api: getactiveattrib

  27. webgl2renderingcontext api: getactiveuniform

  28. webgl2renderingcontext api: getactiveuniformblockname

  29. webgl2renderingcontext api: getactiveuniformblockparameter

  30. webgl2renderingcontext api: getactiveuniforms

  31. webglactiveinfo api

  32. webglactiveinfo api: name

  33. webglactiveinfo api: size

  34. webglactiveinfo api: type

  35. webglactiveinfo api: available in workers

  36. webglrenderingcontext api: activetexture

  37. webglrenderingcontext api: getactiveattrib

  38. webglrenderingcontext api: getactiveuniform

  39. css selector: `:-moz-window-inactive`

  40. css selector: `:active`

  41. css selector: `:active`: non-`a` element support

  42. adobe flash

  43. internet explorer features