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. audioparammap api: foreach

  3. cssfontfeaturevaluesmap api: foreach

  4. cssnumericarray api: foreach

  5. csstransformvalue api: foreach

  6. cssunparsedvalue api: foreach

  7. customstateset api: foreach

  8. domtokenlist api: foreach

  9. eventcounts api: foreach

  10. fontfaceset api: foreach

  11. formdata api: foreach

  12. gpusupportedfeatures api: foreach

  13. headers api: foreach

  14. highlightregistry api: foreach

  15. highlight api: foreach

  16. keyboardlayoutmap api: foreach

  17. mediakeystatusmap api: foreach

  18. midiinputmap api: foreach

  19. midioutputmap api: foreach

  20. nodelist api: foreach

  21. observable api: foreach

  22. rtcstatsreport api: foreach

  23. stylepropertymapreadonly api: foreach

  24. urlsearchparams api: foreach

  25. viewtransitiontypeset api: foreach

  26. wgsllanguagefeatures api: foreach

  27. xranchorset api: foreach

  28. xrhand api: foreach

  29. xrinputsourcearray api: `foreach()`

  30. xrplaneset api: foreach

  31. javascript built-in: array: foreach

  32. javascript built-in: iterator: foreach

  33. javascript built-in: map: foreach

  34. javascript built-in: set: foreach

  35. javascript built-in: typedarray: foreach