ECMAScript 2025 has been officially approved by Ecma International, introducing significant language enhancements including Iterator Helpers for functional programming on iterators, new Set methods for mathematical operations, JSON modules for native JSON imports, Promise.try for better error handling, RegExp.escape for safe string escaping, Float16Array for efficient memory usage, and Import Attributes for enhanced module metadata. These features follow the annual release cycle and are already being implemented in JavaScript engines like V8.
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