Modern JavaScript Features of ES2026

Language features added in ECMAScript 2026, with browser support, edge cases and fallbacks for older runtimes.

Content tagged es2026

• 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.