QUESTION 1:
What is the difference between React and React Native?
React Unknown
React job interview questions
Looking to land your dream job as a React developer? We've compiled a comprehensive guide of essential React job interview questions covering React fundamentals, components, state and lifecycle methods, Redux, hooks, performance optimization, and more. Prepare with confidence and ace your next interview.
QUESTION 2:
How do you handle authentication and authorization in a React application?
React Unknown
QUESTION 3:
How do you implement server-side rendering in a React application?
React Unknown
QUESTION 4:
How do you handle errors in React applications?
React Unknown
QUESTION 5:
What are some ways to optimize the performance of a React application?
React Unknown
QUESTION 6:
What is side effect in React?
React Unknown
QUESTION 7:
What are the most common options to store state in React?
React Unknown
QUESTION 8:
What are the most commonly used React hooks?
React Unknown
QUESTION 9:
How do you render lists in React?
React Unknown
QUESTION 10:
Why do we need keys for React lists?
React Unknown
QUESTION 11:
What are React fragments used for?
React Unknown
QUESTION 12:
How do you pass data to React components?
React Unknown
QUESTION 13:
How is React shadow DOM different than virtual DOM?
React Unknown
QUESTION 14:
What is React virtual DOM?
React Unknown
QUESTION 15:
What is React shadow DOM?
React Unknown
QUESTION 16:
What are bundlers in React?
React Unknown
QUESTION 17:
What is JSX in React?
React Unknown
QUESTION 18:
What is prop drilling in React?
React Unknown
QUESTION 19:
What are package managers in React?
React Unknown
QUESTION 20:
What three dots mean in React code?
React Unknown
QUESTION 21:
What are React hooks?
React Unknown
QUESTION 22:
What is uncontrolled component in React?
React Unknown
QUESTION 23:
What is a controlled component in React?
React Unknown
QUESTION 24:
How is state different than props in React?
React Unknown
QUESTION 25:
What are props in React?
React Unknown
QUESTION 26:
What is mounted component in React?
React Unknown
QUESTION 27:
Which methods would you use to handle events in React?
React Unknown
QUESTION 28:
How would you avoid binding in React?
React Unknown
QUESTION 29:
When would you use useMemo in React?
React Unknown
QUESTION 30:
What method would you use to check and improve speed of React app?
React Unknown
QUESTION 31:
Which methods would you use to conditionally add attribute to components in React?
React Unknown
QUESTION 32:
How would you use validation on props?
React Unknown
QUESTION 33:
Why would you use super constructors with props arguments in React?
React Unknown
QUESTION 34:
In which situation would you use refs in React?
React Unknown
QUESTION 35:
Why do you need to use refs in React?
React Unknown
QUESTION 36:
What are refs in React?
React Unknown
QUESTION 37:
What is better in React? Functional or class component?
React Unknown
QUESTION 38:
What is difference between functional and class component?
React Unknown
QUESTION 39:
What is class component in React?
React Unknown
QUESTION 40:
What is functional component in React?
React Unknown
QUESTION 41:
Do hooks replace high order components in React?
React Unknown
QUESTION 42:
What happens if you attempt to update the state directly in React?
React Unknown
QUESTION 43:
What are the React lifecycle stages?
React Unknown
QUESTION 44:
What are 3 advantages of using React hooks?
React Unknown
QUESTION 45:
How often does useState update in React?
React Unknown
QUESTION 46:
What is useState() good for in React?
React Unknown
QUESTION 47:
How do you install React?
React Unknown
QUESTION 48:
How do you create a React app?
React Unknown
QUESTION 49:
What is React?
React Unknown
QUESTION 50:
Why would you recommend to use React?
React Unknown
Are you wondering what questions will you get asked on your job interview?
Do you have a Job Ad URL address ? Then we will predict the questions for you...
- Share the question, get the right answerSubmit the question you have been asked by a recruiter. We will give you the right answer.
Recently added questions
- Using Postman, you need to run test suites with different combination of data every hour. How will you achieve this?
- You need to test your website from different regions to ensure it renders fine for customers from different continents. How do you achieve this using Postman?
- What is the maximal time for which the Postman monitor can run?
- How do you ensure your Postman test suite executed using a monitor won’t overload the server that already has performance issues?
- What is the frequency in which you can run Postman monitors?
- How can you run your Postman test suite every hour and get a notification if any test fails?
- What are Monitors in Postman?
- You are supposed to design a mock server that responds with 5 second delay so front-end engineers can verify that their user interface handles the delays gracefully. How will you implement this in Postman?
- Using a Postman mock server, how can you return a response that contains the value from the request query string parameter ‘id’?
- Where can you find a documentation of the Postman Mock Server endpoints?
- You are using a Postman mock server. Where can you find a history of requests that were sent to the mock server?
- You are designing a proof of concept of the /healthcheck API endpoint. You want to simulate one state when the system is up and running you and another state when the system reports health issues. How would you achieve this using Postman only?
- How do you ensure that the Postman Mock server won’t be available to everyone?
- How do you create a Mock server in Postman?
- Why would you create a Mock server in Postman?
- What is a Mock server in Postman?
- What is the difference between React and React Native?
- How do you handle authentication and authorization in a React application?
- How do you implement server-side rendering in a React application?
- How do you handle errors in React applications?
Anonymous
tseet
tseet
Anonymous
test
test
Anonymous
e
e
Anonymous
Superrr
Superrr
Anonymous
wup
wup
Anonymous
🔥
🔥
Anonymous
nm
nm
Anonymous
x
x
Anonymous
good
good
Anonymous
good
good
esmhli
hm
hm
LaceJaguar65
e
e
LaceJaguar65
e
e
LaceJaguar65
e
e
LaceJaguar65
e
e
LaceJaguar65
e
e
LaceJaguar65
e
e
LaceJaguar65
e
e
LaceJaguar65
e
e
LaceJaguar65
e
e
LaceJaguar65
e
e
LaceJaguar65
e
e
LaceJaguar65
e
e
LaceJaguar65
e
e
LaceJaguar65
e
e