27 Interview Questions
What are the limitations of React in building large-scale applications?
How does React manage the Virtual DOM, and what are the benefits?
Can React Hooks fully replace Redux for state management? Explain why or why not.
What are the best practices for managing state in large React applications?
How would you optimize performance in a React app with large component trees?
Explain React's Strict Mode and its impact on development.
How can you prevent unnecessary re-renders in React functional components?
Describe the key differences between functional and class components in React.
How does React handle side effects, and how can you manage them effectively?
Explain the differences between useMemo() and useCallback() in React.
How would you implement dynamic form handling and validation in React?
What is lazy loading in React, and how does it improve application performance?
How would you handle errors in a React app, and what is the role of error boundaries?
What are the benefits of server-side rendering (SSR) in React applications?
How do you handle styling in React components? Discuss different approaches.
How would you pass data between sibling components in React without using Redux?
Explain the use case of useEffect() for fetching data from an API.
How do you handle asynchronous operations in React using async/await or Promises?
How would you re-render a component when the window is resized?
Describe how React Context API can be used for state management in an app.
What is the role of React Router, and how does it work with dynamic routing?
Explain the concept of controlled and uncontrolled components in React.
How would you optimize React app performance when handling large lists or grids?
How do you handle asynchronous code execution and state updates in React?
How would you implement custom hooks to abstract logic in React?
What are higher-order components (HOCs) in React, and how are they used?
How would you implement a search feature with debouncing in React?
Last updated