React is a popular JavaScript library for building user interfaces, developed by Facebook. It's known for its component-based architecture and virtual DOM, which make it highly versatile. React is commonly used in the following domains:

• 1.Web Application Development: React is widely used to build dynamic and interactive web applications, including single-page applications (SPAs) and progressive web apps (PWAs).
• 2.E-commerce: Many e-commerce platforms use React to create modern and responsive user interfaces for online shopping.
• 3.Social Media: React is used to build social networking features, such as newsfeeds and user profiles, in websites and applications.
• 4.Content Management Systems (CMS): React can be employed in CMS interfaces to create efficient content management and publishing systems.
• 5.Data Visualization: React is used for creating data dashboards and visualization tools that provide insights from complex datasets.