React.js Advanced

🏷️ Basic

React.js 🆓 100% Free Certificate ❓ 10 Questions 5 minutes 1 Views

This test evaluates your advanced knowledge of React.js, focusing on performance optimization, server-side rendering (SSR), advanced hooks, and state management libraries like Redux. To master advanced topics, read React Performance Optimization Guide, learn Redux Essentials, and watch this detailed Advanced React Course on YouTube.

1 What is the purpose of React.lazy()?

2 What is the difference between useMemo and useCallback?

3 What is the purpose of Error Boundaries?

4 What is the purpose of React's Concurrent Mode?

5 What is the difference between useLayoutEffect and useEffect?

6 What is the purpose of React's Profiler API?

7 What is the purpose of React's createPortal?

8 What is the purpose of useImperativeHandle?

9 What is the purpose of React's Suspense?

10 What is the purpose of React's useDeferredValue?