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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.
React DOM – Fix passive effects (useEffect) not being fired in a multi-root app. React Is – Fix lazy and memo types considered elements instead of components 16.13.0 26 February 2020 Features added in React Concurrent mode. Fix regressions in React core library and React Dom. 16.14.0 14 October 2020 Add support for the new JSX transform. 17.0.0
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.
W3Schools is a freemium educational website for learning coding online. [1] [2] Initially released in 1998, it derives its name from the World Wide Web but is not affiliated with the W3 Consortium. [3] [4] [unreliable source] W3Schools offers courses covering many aspects of web development. [5] W3Schools also publishes free HTML templates.
In a limited beta consumer release in September 2014, [5] Duolingo, Evernote, Sight Words, and Vine Android applications were made available in the Chrome Web Store for installation on Chromebook devices running OS version 37 or higher. [6] In October 2014, three more apps were added: CloudMagic, Onefootball, and Podcast Addict. [7]
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]
JSX (JavaScript Syntax Extension) is a syntax extension for JavaScript, commonly used with React to describe what the UI should look like.