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React

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description React Overview

Built around reusable components, React is a JavaScript library for creating user interfaces. A component describes part of a screen and can be combined with others to build a larger application. This approach helps developers organize complex interfaces and update what appears when application data changes. Its established ecosystem includes tools and component libraries that support many kinds of web projects.

React suits teams that want to reuse interface patterns across pages and maintain applications as they grow. Web interfaces commonly use React with a browser renderer, while React Native applies the component approach to native applications. Hybrid apps can also use React for their web-based interface. React itself does not supply every part of an application framework, so choices such as routing and data handling depend on the surrounding tools and project requirements.

help React FAQ

Who created React and when was it released?

React was created at Facebook and open-sourced in 2013. Jordan Walke is credited as its original creator.

What is JSX in React?

JSX is a JavaScript syntax extension that lets developers write component markup inside JavaScript files. React tooling such as Babel or modern bundlers compiles JSX into regular JavaScript calls.

How is React different from React Native?

React targets web user interfaces through the DOM, while React Native builds mobile interfaces using native iOS and Android components. Both use the component model, props, and state.

What changed when React introduced hooks?

Hooks arrived in React 16.8 in 2019 and let function components use state and lifecycle-style behavior. Common hooks include useState, useEffect, and useMemo.

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