Issues

• XS: AsyncFunction and AsyncGeneratorFunction reject duplicate parameter names

  conformance
  Moddable-OpenSource/moddable#1737 · Filter by author d01c2 opened on Oct 2, 2026

• XS: a non-callable getter in a property descriptor is rejected only after "set" is read

  conformance
  Moddable-OpenSource/moddable#1736 · Filter by author d01c2 opened on Oct 2, 2026

• XS: Object.seal calls [[GetOwnProperty]] for each key

  conformance
  Moddable-OpenSource/moddable#1735 · Filter by author d01c2 opened on Oct 2, 2026

• XS: properties of the Proxy.revocable result are read-only, non-enumerable, and non-configurable

  conformance
  Moddable-OpenSource/moddable#1734 · Filter by author d01c2 opened on Oct 2, 2026

• XS: calling a Proxy whose target is not callable runs the apply trap

  conformance
  Moddable-OpenSource/moddable#1733 · Filter by author d01c2 opened on Oct 2, 2026

• XS: Iterator helpers call return when next throws

  conformance
  Moddable-OpenSource/moddable#1732 · Filter by author d01c2 opened on Oct 2, 2026

• XS: Object.defineProperties defines earlier properties before a later descriptor is rejected

  conformance
  Moddable-OpenSource/moddable#1731 · Filter by author d01c2 opened on Oct 2, 2026

• XS: instanceof with a bound function ignores the target's Symbol.hasInstance

  conformance
  Moddable-OpenSource/moddable#1730 · Filter by author d01c2 opened on Oct 2, 2026

• A class method named static is a SyntaxError, and get followed by a line break and a name without parameters is accepted

  conformance
  Moddable-OpenSource/moddable#1729 · Filter by author hexbinoct opened on Oct 2, 2026

• XS: TypedArray.prototype.set throws RangeError for an offset above the Int32 range before reading the source

  confirmedconformance
  Moddable-OpenSource/moddable#1726 · Filter by author d01c2 opened on Sep 29, 2026
  1

• XS: Set methods compare against a wrong other.size above 2**31 - 1 on x86-64

  confirmedconformance
  Moddable-OpenSource/moddable#1725 · Filter by author d01c2 opened on Sep 29, 2026
  1

• XS: ArrayBuffer.prototype.resize converts its argument before rejecting a non-resizable buffer

  confirmedconformance
  Moddable-OpenSource/moddable#1724 · Filter by author d01c2 opened on Sep 29, 2026
  1

• XS: TypedArray species creation does not check the content type

  confirmedconformance
  Moddable-OpenSource/moddable#1723 · Filter by author d01c2 opened on Sep 29, 2026
  1

• XS: Array.fromAsync never settles when an async iterator's next returns a non-object

  confirmedconformance
  Moddable-OpenSource/moddable#1722 · Filter by author d01c2 opened on Sep 29, 2026
  1

• XS: Object.prototype.toString bypasses the handler of a callable Proxy when reading %Symbol.toStringTag%

  confirmedconformance
  Moddable-OpenSource/moddable#1721 · Filter by author d01c2 opened on Sep 29, 2026
  1

• XS: Array.from constructs the result before checking that %Symbol.iterator% is callable

  confirmedconformance
  Moddable-OpenSource/moddable#1720 · Filter by author d01c2 opened on Sep 29, 2026
  1

• XS: built-in functions ignore a failed Set on a Proxy

  conformance
  Moddable-OpenSource/moddable#1719 · Filter by author d01c2 opened on Sep 28, 2026
  1

• XS: TypedArray constructors read newTarget's prototype before converting the length

  confirmedconformance
  Moddable-OpenSource/moddable#1718 · Filter by author d01c2 opened on Sep 28, 2026
  1

• XS: Reflect.apply and Reflect.construct skip CreateListFromArrayLike when the target is a Proxy

  confirmedconformance
  Moddable-OpenSource/moddable#1717 · Filter by author d01c2 opened on Sep 28, 2026
  1

• XS: String.prototype.replace does not call a Proxy replacer whose target is a function

  confirmedconformance
  Moddable-OpenSource/moddable#1716 · Filter by author d01c2 opened on Sep 28, 2026
  1

• XS: Array.from rejects array-like lengths that ToLength accepts

  confirmedconformance
  Moddable-OpenSource/moddable#1715 · Filter by author d01c2 opened on Sep 28, 2026
  1

• XS: TypedArray.prototype.fill converts start and end before value

  confirmedconformance
  Moddable-OpenSource/moddable#1711 · Filter by author d01c2 opened on Sep 23, 2026
  1

• Add dark mode support to the Moddable website/docs

  Moddable-OpenSource/moddable#1710 · Filter by author matthewruzzi opened on Sep 22, 2026
  1

• XS: String search methods ignore an omitted search argument

  confirmedconformance
  Moddable-OpenSource/moddable#1708 · Filter by author d01c2 opened on Sep 22, 2026
  1

• XS: String.prototype.padEnd aborts the script instead of raising a catchable error

  invalid
  Moddable-OpenSource/moddable#1707 · Filter by author d01c2 opened on Sep 21, 2026
  1