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React is a popular JavaScript library for building user interfaces (UIs) developed by Facebook. It was first released in 2013 and has since become one of the most widely used front-end frameworks in the world.

React is known for its declarative programming style, which allows developers to describe how an application should look and behave at any given moment, rather than manually manipulating the DOM (Document Object Model) to achieve the desired effect. This makes it easier to build complex UIs and manage application state over time.

React uses a component-based architecture, meaning that UI elements are broken down into smaller, reusable components that can be composed together to build more complex UIs. This approach promotes code reusability, modularity, and maintainability.

One of the key features of React is its virtual DOM, which is an abstraction of the browser's native DOM. The virtual DOM allows React to update the UI more efficiently by only rendering the parts of the DOM that have changed, rather than re-rendering the entire page.

React is also highly customizable and extensible, with a large and active community of developers creating third-party libraries, tools, and plugins to extend its functionality. Some of the most popular of these include Redux for managing application state, React Router for client-side routing, and Material-UI for creating responsive, mobile-first UI components.

React is used by many large companies, including Facebook, Airbnb, Netflix, and Uber. Its popularity and community support make it a popular choice for web developers looking to build modern, high-performance web applications.

Overall, React is a powerful and flexible front-end framework that provides developers with the tools and features they need to build complex and scalable UIs. Its component-based architecture, virtual DOM, and large ecosystem of third-party libraries make it a popular choice for web developers looking to build modern, high-performance web applications.


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Prof. Dr. Rifat Hashmi

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