REACT FRONTEND INTERVIEW QUESTIONS😃
I compiled a comprehensive React interview questions; grouped by skill level: 🫂
Easy:
What is React and why is it popular?
Explain the virtual DOM and its significance in React.
What is JSX in React? How is it different from HTML?
How do you create a React component?
What is the purpose of the render method in a React component?
What is the significance of state in React?
What is a functional component in React?
How do you pass data from a parent component to a child component?
Explain the concept of props in React.
What is React's key principle for optimizing performance?
Medium:
What are controlled components in React?
What is the purpose of the useState hook in React?
How do you handle events in React?
Describe the component lifecycle methods in React.
Explain the difference between componentDidMount and useEffect.
What is Redux, and how does it work with React?
What is routing in React, and how can you implement it?
What is the significance of keys in React when rendering lists?
How do you make AJAX requests in React?
What is Redux Thunk, and why is it used?
Hard:
Describe the concept of context in React and how it can be useful.
Explain the purpose of the useReducer hook in React.
What are Higher Order Components (HOCs) in React?
What is server-side rendering (SSR) in React? Why is it beneficial?
Compare and contrast React's PureComponent and shouldComponentUpdate.
What is the Virtual DOM reconciliation process in React?
Explain the concept of code splitting in React.
What are React hooks, and why were they introduced?
Discuss the challenges and solutions related to performance optimization in React applications.
How does React Fiber work, and what improvements does it bring to React?
-- EMOTIONAL ANNOUNCEMENT --
We have come to the end of `Namaste React Web Series` 🚀
ALL the episodes are finally out now.
We just built a final project - NetflixGPT 🔥
There will be 3 episodes of this project. I have done the best I could have for you.
NetflixGPT has a lot of cool new features: 🚀
0. We used the latest GPT-3.5 turbo API and built GPT Search recommendation in our project 🔥
1. We built Authentication - Sign Up, Log In, Sign Out
2. We handled Forms, and form validations
3. We focused on tailwind even more, will make UI more beautiful looking
4. We covered useRef hook
5. We covered the concept of memoization and making our app efficient
6. We learnt the principles of Readability, Maintainability, Reusability, Modularity, Testability
7. We built Multi Language feature support
8. and not just this, we will cover many more features and build from scratch!!
Hope you will like it very much!! ❤️
The ONLY request is,
Please watch the series with full attention and devotion,
I have put all my heart and soul into building it. 🙏
The mission of this web series was to make you fall in love with React, hope I was able to do this. 🤞
As we are ending Namaste React, this makes me very emotional. 🥺
As a teacher, I feel really proud when my students do really good in their career. 🚀
From the bottom of my heart, I wish the best for your career ahead.
May you get huge success in your career.
Keep making me proud. ❤️
Cheers,
Akshay Saini
--
PS.
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