React JS: React, is an open-source JavaScript library used for building user interfaces and web applications. It is maintained by Facebook and a community of individual developers and companies. React is known for its efficiency, performance, and flexibility, making it a popular choice for front-end web development. #ReactJS #React #JavaScript #FrontEnd #WebDev #UI #UX #StateManagement #ReactHooks #ReactRouter #ComponentLibrary #ReactDevelopment #ReactNative #ReactCode #ReactCommunity