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Ecma's Technical Committee 39 (TC39) is responsible for the maintenance of ECMAScript. [12] New proposals to the language go through a staged process, with each stage representing the completeness of the proposal's specification.
The 6th edition, ECMAScript 6 (ES6) and later renamed to ECMAScript 2015, was finalized in June 2015. [ 4 ] [ 30 ] This update adds significant new syntax for writing complex applications, including class declarations ( class Foo { ...
Babel is a free and open-source JavaScript transcompiler that is mainly used to convert ECMAScript 2015+ (ES6+) code into backwards-compatible JavaScript code that can be run by older JavaScript engines. It allows web developers to take advantage of the newest features of the language.
React itself does not come with built-in support for routing. React is primarily a library for building user interfaces, and it does not include a full-fledged routing solution out of the box. Third-party libraries can be used to handle routing in React applications. [30]
Hermes: developed by Facebook for React Native mobile apps [13] Can also be used independent from React Native. Continuum: A self-interpreter that supports older drafts of the ECMAScript 2015 specification. [14] Uniquely, the engine is implemented in ECMAScript 3, which made it possible to run ES2015 in browsers as old as IE6. [15]
The other major module specification in use is the ECMAScript (ES) modules specification (ES6 modules aka ES2015 modules). [2] CommonJS can be recognized by the use of the require() function and module.exports, while ES modules use import and export statements for similar (though not identical) functionality.
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React DOM – Remove an unused dependency to address the SharedArrayBuffer cross-origin isolation warning. 18.0.0 29 March 2022 Concurrent React, Automatic batching, New Suspense Features, Transitions, Client and Server Rendering APIs, New Strict Mode Behaviors, New Hooks [55] 18.1.0 26 April 2022 Many fixes and performance improvements 18.2.0