What is React.js?A programming languageA server-side frameworkA JavaScript library for building user interfacesA relational database management systemPrevious

What is Express.js?A web application framework for Node.jsA programming languageA database management systemA front-end development tool

What is Node.js?A cross-platform runtime environmentA client-side scripting languageA database management systemA web browser

What does React.js primarily focus on?Back-end developmentMobile app developmentFront-end developmentDatabase managementPrevious

4. How does React differ from traditional JavaScript frameworks?

What is JSX in React? a. A state management tool for React b. A JavaScript extension for creating React components c. A styling library for React components d. An XML-like syntax used to write React components