1. Canvas (basic support)

    Method of generating fast, dynamic graphics using JavaScript.

  2. contenteditable attribute (basic support)

    Method of making any HTML element editable.

  3. CSS Feature Queries

    CSS Feature Queries allow authors to condition rules based on whether particular property declarations are supported in CSS using the @supports at rule.

  4. CSS.supports() API

    The CSS.supports() static method returns a Boolean value indicating if the browser supports a given CSS feature, or not.

  5. Resource Timing (basic support)

    Method to help web developers to collect complete timing information related to resources on a document.

  6. SVG (basic support)

    Method of displaying basic Vector Graphics features using the embed or object elements. Refers to the SVG 1.1 spec.

  7. TTF/OTF - TrueType and OpenType font support

    Support for the TrueType (.ttf) and OpenType (.otf) outline font formats in @font-face.

  8. cssimportrule api: supportstext

  9. domtokenlist api: supports

  10. fetch api: support for blob: and data:

  11. setinterval api: supports parameters for callback

  12. settimeout api: supports parameters for callback

  13. xrsession api: supportedframerates

  14. css property: baseline-shift: super

  15. css property: font-variant: super

  16. css property: resize: support on block level, replaced, table cell, or inline block elements

  17. css property: vertical-align: super

  18. css property: white-space: support on `<textarea>`

  19. css selector: `::marker`: `counter-increment`, `counter-reset`, and `counter-set` support

  20. css selector: `::marker`: `quotes` support

  21. html element: sup

  22. headers http header: supports-loading-mode

  23. headers http header: supports-loading-mode: `credentialed-prerender` directive

  24. headers http header: supports-loading-mode: `fenced-frame` directive

  25. javascript built-in: intl: collator: supportedlocalesof

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

  27. javascript built-in: intl: displaynames: supportedlocalesof

  28. javascript built-in: intl: durationformat: supportedlocalesof

  29. javascript built-in: intl: listformat: supportedlocalesof

  30. javascript built-in: intl: numberformat: supportedlocalesof

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

  32. javascript built-in: intl: relativetimeformat: supportedlocalesof

  33. javascript built-in: intl: segmenter: supportedlocalesof

  34. javascript built-in: intl: `supportedvaluesof()`

  35. javascript built-in: json: javascript is a superset of json

  36. javascript built-in: string: sup

  37. javascript built-in: suppressederror

  38. javascript built-in: suppressederror: error

  39. javascript built-in: suppressederror: suppressed

  40. javascript built-in: suppressederror: suppressederror

  41. javascript operator: super

  42. elements: mmultiscripts: superscriptshift

  43. emoji support