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Harshal V. LADHE

ECMAScript Editions and the TC39 Process

The yearly ECMAScript editions that define JavaScript, the TC39 proposal stages, and what each edition adds to the language.

Content tagged ecmascript

  • Post:What's New in ES2027: Temporal, using and More

    Temporal, using and five more confirmed ES2027 features.
    Every confirmed ES2027 feature as of November 2026: Temporal, using, Iterator.zip, chunks, windows, join, includes and Atomics.pause, with examples.
    Published at:
    Categories:JavaScript
    Estimated reading time:15 min read

  • Post:What's New in ES2026: Every Feature Explained

    Every ES2026 feature, with examples and browser support.
    Every ES2026 feature with examples: Map upsert, JSON.parse source text, Iterator.concat, Uint8Array Base64, Math.sumPrecise, Error.isError and Array.fromAsync.
    Published at:
    Categories:JavaScript
    Estimated reading time:12 min read