On 25 June 2025, the ECMAScript 2025 specification was officially approved, introducing significant advancements in the JavaScript language. Notable features include import attributes that facilitate the import of non-JavaScript artifacts like JSON modules. Additionally, the introduction of iterator helper methods streamlines working with iterators across various data structures, enhancing performance by reducing intermediate array creations. New Set methods, including intersection and union, enrich the functionality of Sets, providing developers with powerful tools for data manipulation and management.
ECMAScript 2025 introduces major enhancements, including import attributes for JSON modules and new iterator methods, improving the efficiency and usability of iterables.
The new Set methods, such as intersection and union, further extend the functionality of Set, allowing operations that enhance data manipulation and management.
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