Calling all beginners in React.js! ๐Ÿš€

Calling all React.js beginners! :star2:

Ready to level up your development skills? :rocket:

Check out this concise list of 30 beginner-friendly React.js questions. From components and state management to event handling and performance optimization, these questions will give you a solid foundation in React.

  1. What is React.js and what are its key features?
  2. How do you create a new React.js project?
  3. What is the purpose of ReactDOM.render() method in React?
  4. What is the difference between functional components and class components in React?
  5. How do you render an element in React?
  6. What is JSX in React and how is it different from regular JavaScript?
  7. How do you define props in a React component?
  8. How do you handle events in React?
  9. What is the role of state in React components?
  10. How do you update the state in a React component?
  11. What is the significance of the โ€œkeyโ€ prop when rendering lists in React?
  12. How do you conditionally render content in React?
  13. What is the purpose of the โ€œmapโ€ function in React when working with arrays?
  14. How do you style React components?
  15. What is the purpose of React Developer Tools and how can they be used?
  16. How do you pass data from a child component to a parent component in React?
  17. What is the significance of the โ€œbindโ€ method when handling events in React components?
  18. What is the purpose of the โ€œrenderโ€ method in a React component?
  19. How do you conditionally apply CSS classes to a React component?
  20. What is the purpose of the โ€œsetStateโ€ method in React, and how is it used?
  21. How do you create reusable components in React?
  22. What is the role of the โ€œkeyโ€ prop when rendering dynamic lists in React?
  23. How do you handle forms in React and retrieve form input values?
  24. What is the purpose of the โ€œrefโ€ attribute in React?
  25. How do you handle component lifecycle events in React?
  26. What are React fragments, and why are they useful?
  27. How do you handle AJAX requests in React?
  28. What are prop types in React, and why are they used?
  29. What is the concept of โ€œlifting state upโ€ in React, and when is it useful?
  30. What is Redux, and how does it relate to React. Explain the core principles of Redux, including actions, reducers, and the store.

Share your answers, Post your doubts and letโ€™s learn together in the vibrant community!

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