React, also known as ReactJS or React.js, is a JavaScript library primarily used for building user interfaces. It is an open-source project maintained by Meta (formerly Facebook) and a large community of developers.
Here are some key aspects of React:
Component-Based Architecture:
React applications are built using reusable components, which are independent pieces of the user interface.
Declarative Programming:
React allows developers to describe the desired UI state, and it automatically handles the updates and rendering.
Virtual DOM:
React uses a virtual DOM to optimize updates, making applications faster and more efficient.


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