React

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Updated: 23 May 2025

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235668 Stars

The library for web and native user interfaces.

Overview:

React is a JavaScript library for building user interfaces. It offers a declarative approach, making it easier to create interactive UIs. With React, you can build encapsulated components that manage their state and compose them to create complex UIs. One of its key advantages is that it allows developers to write component logic in JavaScript instead of templates, facilitating the passing of rich data through the application while keeping the state out of the DOM.

Features:

• Declarative: Simplifies the creation of interactive UIs by efficiently updating and rendering components based on data changes.
• Component-Based: Allows the creation of encapsulated components that manage their state independently, enabling the composition of complex UIs.
• Learn Once, Write Anywhere: Supports development in React without the need to rewrite existing code, rendering on the server using Node, and powering mobile apps with React Native.

Installation:

To install React, you can follow these steps:

1. Use the Quick Start to get a quick introduction to React.
2. Add React to an Existing Project as needed.
3. Create a New React App for a powerful JavaScript toolchain.

Summary:

React is a powerful JavaScript library for building user interfaces, offering a declarative and component-based approach that simplifies UI development. It allows for the creation of encapsulated components that manage their state independently, making it easier to compose complex UIs. React’s ability to render on the server using Node and power mobile apps with React Native provides flexibility for developers. With detailed documentation and examples available, React is designed for gradual adoption and easy integration into various projects.