1. console.time and console.timeEnd

    Functions for measuring performance

  2. High Resolution Time API

    Method to provide the current time in sub-millisecond resolution and such that it is not subject to system clock skew or adjustments. Called using `performance.now()`

  3. Date and time input types

    Form field widgets to easily allow users to enter a date, time or both, generally by using a calendar/time input widget. Refers to supporting the following input types: `date`, `time`, `datetime-local`, `month` & `week`.

  4. Temporal

    A modern API for working with date and time, meant to supersede the original `Date` API.

  5. animation api: timeline

  6. audiodata api: timestamp

  7. blobevent api: timecode

  8. document api: timeline

  9. event api: timestamp

  10. gamepad api: timestamp

  11. sensor api: timestamp

  12. timeevent api

  13. timeevent api: detail

  14. timeevent api: view

  15. timeranges api

  16. timeranges api: end

  17. timeranges api: length

  18. timeranges api: start

  19. videoframe api: timestamp

  20. vrframedata api: timestamp

  21. css property: timeline-scope

  22. css property: timeline-scope: all

  23. css property: timeline-scope: none

  24. css property: timeline-trigger

  25. css property: timeline-trigger-activation-range

  26. css property: timeline-trigger-activation-range-end

  27. css property: timeline-trigger-activation-range-end: normal

  28. css property: timeline-trigger-activation-range-start

  29. css property: timeline-trigger-activation-range-start: normal

  30. css property: timeline-trigger-activation-range: normal

  31. css property: timeline-trigger-active-range

  32. css property: timeline-trigger-active-range-end

  33. css property: timeline-trigger-active-range-end: auto

  34. css property: timeline-trigger-active-range-end: normal

  35. css property: timeline-trigger-active-range-start

  36. css property: timeline-trigger-active-range-start: auto

  37. css property: timeline-trigger-active-range-start: normal

  38. css property: timeline-trigger-active-range: auto

  39. css property: timeline-trigger-active-range: normal

  40. css property: timeline-trigger-name

  41. css property: timeline-trigger-name: none

  42. css property: timeline-trigger-source

  43. css property: timeline-trigger-source: auto

  44. css property: timeline-trigger-source: none

  45. css property: timeline-trigger: auto

  46. css property: timeline-trigger: none

  47. css property: timeline-trigger: normal

  48. html element: time

  49. javascript built-in: temporal api: now: timezoneid