🗒️

Weekly Web Notes 20210312-20210318

2021/03/21に公開

Meta

Google / Chrome

Intents

Ship

Remove

Extend Origin Trial

Origin Trials

New Active

New Complete

Firefox

Intents

Prototype

Ship

Unship

Safari

Edge

Blogs

W3C

WHATWG

TC39

  • ECMAScript® 2021 Language Specification https://tc39.es/ecma262/2021/
    • ES2021に入るproposalが固まり始めた
    • String.prototype.replaceAll
    • Promise.any
    • AggregateError
    • logical assignment operators
    • WeakRef
    • numeric literal separator

Ecosystem

  • Node v15.12.0 (Current) | Node.js https://nodejs.org/en/blog/release/v15.12.0/
    • fs/promises の writeFilereadFile のパフォーマンス改善
    • AbortSignal.abort() の実装
    • worker に setEnvironmentData / getEnvironmentData を追加
  • V8 release v9.0 · V8 https://v8.dev/blog/v8-release-90
    • RegExp match indices
    • super プロパティアクセスの高速化
    • JSからwasmの関数呼び出しの高速化

Discussion