1. ECMAScript 5

    Full support for the ECMAScript 5 specification. Features include `Function.prototype.bind`, Array methods like `indexOf`, `forEach`, `map` & `filter`, Object methods like `defineProperty`, `create` & `keys`, the `trim` method on Strings and many more.

  2. navigator.hardwareConcurrency

    Returns the number of logical cores of the user's CPU. The value may be reduced to prevent device fingerprinting or because it exceeds the allowed number of simultaneous web workers.

  3. sandbox attribute for iframes

    Method of running external site pages with reduced privileges (e.g. no JavaScript) in iframes.

  4. prefers-reduced-motion media query

    CSS media query based on a user preference for preferring reduced motion (animation, etc).

  5. mlgraphbuilder api: reducel1

  6. mlgraphbuilder api: reducel2

  7. mlgraphbuilder api: reducelogsum

  8. mlgraphbuilder api: reducelogsumexp

  9. mlgraphbuilder api: reducemax

  10. mlgraphbuilder api: reducemean

  11. mlgraphbuilder api: reducemin

  12. mlgraphbuilder api: reduceproduct

  13. mlgraphbuilder api: reducesum

  14. mlgraphbuilder api: reducesumsquare

  15. css at-rule: `@media`: `prefers-reduced-data` media feature

  16. css at-rule: `@media`: `prefers-reduced-motion` media feature

  17. css at-rule: `@media`: `prefers-reduced-transparency` media feature

  18. headers http header: `sec-ch-prefers-reduced-motion` request header

  19. headers http header: `sec-ch-prefers-reduced-transparency` request header

  20. javascript built-in: array: reduce

  21. javascript built-in: array: reduceright

  22. javascript built-in: iterator: reduce

  23. javascript built-in: typedarray: reduce

  24. javascript built-in: typedarray: reduceright