1. 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`.

  2. htmlinputelement api: showpicker: `datetime-local` input

  3. htmlmodelement api: datetime

  4. htmltimeelement api: datetime

  5. html element: del: datetime

  6. html element: input: `type="datetime-local"`

  7. html element: ins: datetime

  8. html element: time: datetime

  9. javascript built-in: intl: datetimeformat

  10. javascript built-in: intl: datetimeformat: `datetimeformat()` constructor

  11. javascript built-in: intl: datetimeformat: `datetimeformat()` constructor: supports normative optional `chaindatetimeformat` behavior

  12. javascript built-in: intl: datetimeformat: `datetimeformat()` constructor: `locales` parameter

  13. javascript built-in: intl: datetimeformat: `datetimeformat()` constructor: `options` parameter

  14. javascript built-in: intl: datetimeformat: `datetimeformat()` constructor: `options` parameter: `options.calendar` parameter

  15. javascript built-in: intl: datetimeformat: `datetimeformat()` constructor: `options` parameter: `options.datestyle` parameter

  16. javascript built-in: intl: datetimeformat: `datetimeformat()` constructor: `options` parameter: `options.dayperiod` parameter

  17. javascript built-in: intl: datetimeformat: `datetimeformat()` constructor: `options` parameter: `options.fractionalseconddigits` parameter

  18. javascript built-in: intl: datetimeformat: `datetimeformat()` constructor: `options` parameter: `options.hourcycle` parameter

  19. javascript built-in: intl: datetimeformat: `datetimeformat()` constructor: `options` parameter: `options.numberingsystem` parameter

  20. javascript built-in: intl: datetimeformat: `datetimeformat()` constructor: `options` parameter: `options.timestyle` parameter

  21. javascript built-in: intl: datetimeformat: `datetimeformat()` constructor: `options` parameter: `options.timezonename` parameter

  22. javascript built-in: intl: datetimeformat: `datetimeformat()` constructor: `options` parameter: `options.timezonename` parameter: `shortgeneric`/`longgeneric`/`shortoffset`/`longoffset` as `options.timezonename` option

  23. javascript built-in: intl: datetimeformat: `datetimeformat()` constructor: `options` parameter: `options.timezone` parameter

  24. javascript built-in: intl: datetimeformat: `datetimeformat()` constructor: `options` parameter: `options.timezone` parameter: iana time zone names in `options.timezone` option

  25. javascript built-in: intl: datetimeformat: format

  26. javascript built-in: intl: datetimeformat: formatrange

  27. javascript built-in: intl: datetimeformat: formatrangetoparts

  28. javascript built-in: intl: datetimeformat: formattoparts

  29. javascript built-in: intl: datetimeformat: resolvedoptions

  30. javascript built-in: intl: datetimeformat: resolvedoptions: computed `timezone`

  31. javascript built-in: intl: datetimeformat: supportedlocalesof

  32. javascript built-in: temporal api: plaindatetime

  33. javascript built-in: temporal api: plaindatetime: add

  34. javascript built-in: temporal api: plaindatetime: day

  35. javascript built-in: temporal api: plaindatetime: era

  36. javascript built-in: temporal api: plaindatetime: from

  37. javascript built-in: temporal api: plaindatetime: hour

  38. javascript built-in: temporal api: plaindatetime: month

  39. javascript built-in: temporal api: plaindatetime: with

  40. javascript built-in: temporal api: plaindatetime: year

  41. javascript built-in: temporal api: zoneddatetime

  42. javascript built-in: temporal api: zoneddatetime: add

  43. javascript built-in: temporal api: zoneddatetime: day

  44. javascript built-in: temporal api: zoneddatetime: era

  45. javascript built-in: temporal api: zoneddatetime: from

  46. javascript built-in: temporal api: zoneddatetime: hour

  47. javascript built-in: temporal api: zoneddatetime: round

  48. javascript built-in: temporal api: zoneddatetime: since

  49. javascript built-in: temporal api: zoneddatetime: with

  50. javascript built-in: temporal api: zoneddatetime: year