React is used to build web applications, mobile applications, and desktop applications. Some of the real-life examples of React applications include Facebook, Instagram, Airbnb, Netflix, and Uber.
React is also used for developing cross-platform mobile applications using React Native. React Native allows developers to build mobile applications for both iOS and Android platforms, which significantly reduces the development time and cost. Companies such as Tesla, Bloomberg, and Skype have used React Native to develop their mobile applications.
React's key benefits include reusability, modularity, and component-based architecture. React allows developers to break down complex user interfaces into smaller, reusable components, making it easier to manage and maintain code. This approach also helps reduce development time and cost, as developers can reuse components across different projects.
React's virtual DOM (Document Object Model) also makes it efficient in updating and rendering the user interface. When a change is made to a component, React updates only that component and its children, rather than the entire page, which results in faster rendering and better performance.
In addition, React's vast community and ecosystem provide developers with a wealth of resources, tools, and libraries that help them build high-quality applications quickly and efficiently. This community-driven approach also ensures that React stays up-to-date with the latest industry trends and best practices.