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Implement JavaScript 2026 (ES2026) features #95

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Implement JavaScript 2026 (ES2026) features#95
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enhancementNew feature or request

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@FunctionPoint
FunctionPoint
opened on Aug 31, 2026

New JS features:

  • Math.sumPrecise()
  • Error.isError()
  • Map.getOrInsert()
  • Array.fromAsync()
  • Uint8Array Base64 and Hex conversion
  • JSON.rawJSON()
  • JSON reviver

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  1. FunctionPoint
    self-assigned this
    on Aug 31, 2026
  2. FunctionPoint
    added
    enhancementNew feature or request
    on Aug 31, 2026

  3. FunctionPoint commented on Sep 1, 2026

    @FunctionPoint
    FunctionPoint
    on Sep 1, 2026
    ContributorAuthor

    On further testing, Node.JS currently (v26.8.1) does not yet support:

    • Math.sumPrecise()
    • JSON.rawJSON()
    • JSON.parse() reviver context parameter

    So let's wait until it does, to SmallJS for browser and Node in sync.

  4. FunctionPoint
    removed their assignment
    on Sep 1, 2026
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