React is a popular open-source JavaScript library for building user interfaces (UIs). It was developed by Facebook and is now maintained by a community of developers.
React allows developers to create reusable UI components that can be used across multiple web pages and applications. These components can be used to build complex, dynamic web interfaces that are easy to update and maintain.
One of the main benefits of React is that it allows developers to write code using a declarative approach, which means that they describe what they want their UI to look like, and React takes care of the details of updating the UI as data changes.
React uses a virtual DOM (Document Object Model) to optimize performance by minimizing the number of updates needed to the actual DOM. This approach allows developers to create highly responsive UIs that can update in real-time without affecting the performance of the rest of the application.
React can be used with other libraries and frameworks, such as Redux for managing state, and React Native for building mobile applications.
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