What is the use of React?

React is a JavaScript library primarily used for building user interfaces in web applications. It allows developers to create interactive, efficient, and component-based UIs, making it a popular choice for building modern and responsive web applications.

React can be used to build web, mobile, and desktop applications, making it a versatile framework for cross-platform development. React Native, a framework based on React, is specifically designed for mobile app development, while React Desktop allows you to create desktop applications using web technologies.