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WebThe React test uses scenario-based MCQ questions to evaluate the understanding of React component lifecycle, the ability to work with JSX, user events, React State, functional components, and Hooks to create dynamic React applications. The test has JavaScript MCQs to assess ES6 fundamentals, DOM, Fetch, Promises and Async / Await. WebNov 26, 2024 · The author of this site used to work at Facebook and also built React UI components and taught React. Although the site's not yet 100% complete, it nevertheless … WebMar 4, 2024 · Basically what happens is when a new user shows up on our app, our server via socket.io sees a new connection via io.on ('connection', ..). Then it emits a ‘server message’, which every client ... imperial business school training