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@MattiasBuelens MattiasBuelens commented Sep 4, 2025

As part of tc39/ecma262#3116, the IsResizableArrayBuffer abstract op was negated and replaced with IsFixedLengthArrayBuffer. This PR updates the spec to use the standardized op.

Fixes #1520.

  • At least two implementers are interested (and none opposed):
  • Tests are written and can be reviewed and commented upon at:
  • Implementation bugs are filed:
    • Chromium: …
    • Gecko: …
    • WebKit: …
    • Deno: …
    • Node.js: …
    • webidl2.js: …
    • widlparser: …
  • MDN issue is filed: …
  • The top of this comment includes a clear commit message to use.

(See WHATWG Working Mode: Changes for more details.)


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@domenic domenic merged commit abc4414 into whatwg:main Sep 8, 2025
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@MattiasBuelens MattiasBuelens deleted the is-fixed-length-array-buffer branch September 8, 2025 05:48
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IsResizableArrayBuffer abstract operation now invalid
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