1. Font unicode-range subsetting

    This @font-face descriptor defines the set of Unicode codepoints that may be supported by the font face for which it is declared. The descriptor value is a comma-delimited list of Unicode range (<urange>) values. The union of these ranges defines the set of codepoints that serves as a hint for user agents when deciding whether or not to download a font resource for a given text run.

  2. KeyboardEvent.charCode

    A legacy `KeyboardEvent` property that gives the Unicode codepoint number of a character key pressed during a `keypress` event.

  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. TextEncoder & TextDecoder

    `TextEncoder` encodes a JavaScript string into bytes using the UTF-8 encoding and returns the resulting `Uint8Array` of those bytes. `TextDecoder` does the reverse.

  5. WebCodecs API

    API to provide more control over the encoding and decoding of audio, video, and images.

  6. closeevent api: code

  7. domexception api: code

  8. geolocationpositionerror api: code

  9. htmlobjectelement api: code

  10. htmlobjectelement api: codebase

  11. htmlobjectelement api: codetype

  12. keyboardevent api: code

  13. mediaerror api: code

  14. otpcredential api: code

  15. rtcrtpsender api: `setparameters()`: `parameters.codecs` parameter

  16. rtcstatsreport api: `codec` stats

  17. rtcstatsreport api: `codec` stats: `channels` in 'codec' stats

  18. rtcstatsreport api: `codec` stats: `clockrate` in 'codec' stats

  19. rtcstatsreport api: `codec` stats: `id` in 'codec' stats

  20. rtcstatsreport api: `codec` stats: `mimetype` in 'codec' stats

  21. rtcstatsreport api: `codec` stats: `payloadtype` in 'codec' stats

  22. rtcstatsreport api: `codec` stats: `sdpfmtpline` in 'codec' stats

  23. rtcstatsreport api: `codec` stats: `timestamp` in 'codec' stats

  24. rtcstatsreport api: `codec` stats: `transportid` in 'codec' stats

  25. rtcstatsreport api: `codec` stats: `type` in 'codec' stats

  26. rtcstatsreport api: `inbound-rtp` stats: `codecid` in 'inbound-rtp' stats

  27. rtcstatsreport api: `outbound-rtp` stats: `codecid` in 'outbound-rtp' stats

  28. rtcstatsreport api: `remote-inbound-rtp` stats: `codecid` in 'remote-inbound-rtp' stats

  29. rtcstatsreport api: `remote-outbound-rtp` stats: `codecid` in 'remote-outbound-rtp' stats

  30. setinterval api: `code` parameter can be set with a `trustedscript` instance

  31. settimeout api: `code` parameter can be set with a `trustedscript` instance

  32. videoframe api: codedheight

  33. videoframe api: codedrect

  34. videoframe api: codedwidth

  35. css selector: `:lang()`: matching language codes with wildcards as `:lang(*-latn)`

  36. html element: code

  37. html element: form: autocomplete: `one-time-code` value

  38. html element: object: codebase

  39. html element: object: codetype

  40. http status code: 103

  41. http status code: 103: `rel=preconnect`

  42. http status code: 103: `rel=preload`

  43. http status code: 308

  44. http status code: 425

  45. javascript built-in: decodeuri

  46. javascript built-in: decodeuricomponent

  47. javascript built-in: encodeuri

  48. javascript built-in: encodeuricomponent

  49. javascript built-in: string: codepointat

  50. grammar: unicode escape sequences (`'\u00a9'`)