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Techfour Solutions Reactjs Developer Interview Questions and Answers
Updated
9 Dec 2023
1 interview found
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Popular
Anonymous
Interview experience
Excellent
Difficulty level
-
Duration
-
Result
-
3 Interview Rounds
1
Resume Shortlist Round
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2
Technical Round (1 Question)
- Q1. About rhe ReactJs View Answers (1)
3
Coding Test Round
Crud of the in ecommerce
Interview questions from similar companies
Interview experience
Good
Difficulty level
Easy
Duration
Less than 2 weeks
Result
Selected
I applied via Recruitment Consulltant and was interviewed in Oct 2024.
2 Interview Rounds
1
Technical Round (5 Questions)
- Q1. Component lifecycle Add Answer
- Q2. What is DOM tree? View Answers (1)
- Q3. What is the difference between props and state? View Answers (1)
- Q4. What is redux and when to use it and when not to use it? View Answers (1)
- Q5. Two arrays passed to one function, then remove the elements passed from source array and present in another array View Answers (1)
2
Client Interview Round (5 Questions)
- Q1. What is DOM tree View Answers (1)
- Q2. What are lifecycle methods of react? How we can achieve same in functional components? View Answers (1)
- Q3. What is redux? Explain its architecture. View Answers (1)
- Q4. When do we use any in typescript? View Answers (1)
- Q5. What is the checklist for improving performance of React application? View Answers (1)
Skills evaluated in this interview
Interview experience
Average
Difficulty level
Moderate
Duration
2-4 weeks
Result
No response
I applied via Recruitment Consulltant and was interviewed in Sep 2024.
1 Interview Round
1
Technical Round (16 Questions)
- Q1. What is hosting and closer View Answers (1)
- Q2. What is difference between var let and const give me an explanation on what block scope View Answers (1)
- Q3. What is asynchronous and how it works View Answers (1)
- Q4. Tell me the output 1)a = 20; console.log(a); var a; 2)b=10; console.log(b); let b; 3)let a =5; if(a<5){ let b = " a lessthen 5"; }else{ let b = "b is grater the...read more View Answers (1)
- Q5. Give a div with text and display center of the page and apply animation using HTML and css View Answers (1)
- Q6. What are semantic tags and explain View Answers (1)
- Q7. How can we write responsive for web page View Answers (1)
- Q8. What is the difference between CSS and SASS? what is the use of Sass View Answers (1)
- Q9. Event propagation Add Answer
- Q10. How would you validate the form using HTML? How do you validate the phone number with the country code? View Answers (1)
- Q11. Which test library you use why it usecase View Answers (1)
- Q12. Tell me mounting and shallow concept in testing library View Answers (1)
- Q13. What is redux-toolkit and what difference b/w redux and redux-toolkit View Answers (1)
- Q14. How api call handle in redux and how can you get and display user name from redux View Answers (1)
- Q15. React hooks and how optimization Add Answer
- Q16. Why we need thank in redux View Answers (1)
Skills evaluated in this interview
Interview experience
Good
Difficulty level
Moderate
Duration
4-6 weeks
Result
No response
1 Interview Round
1
Technical Round (2 Questions)
- Q1. React basic,event loop, Lazy Loading, Suspense, Javascript basics Add Answer
- Q2. Create counter application View Answers (1)
Interview experience
Average
Difficulty level
Moderate
Duration
Less than 2 weeks
Result
No response
I applied via LinkedIn and was interviewed in Oct 2024.
1 Interview Round
1
Technical Round (3 Questions)
- Q1. What are the advantages of React View Answers (1)
- Q2. How the performance optimization can be done in React Js Application View Answers (1)
- Q3. What is the purpose of useMemo and UseCallBack hook View Answers (1)
Skills evaluated in this interview
anjali rastogi
Interview experience
Good
Difficulty level
-
Duration
-
Result
-
1 Interview Round
1
Technical Round (1 Question)
- Q1. What is client side and server side rendering Add Answer
Interview experience
Excellent
Difficulty level
-
Duration
-
Result
-
1 Interview Round
1
Technical Round (2 Questions)
- Q1. Flat the array without using the inbuilt methods View Answers (1)
- Q2. Sort the given objects based on the ages Add Answer
Interview experience
Good
Difficulty level
-
Duration
-
Result
-
1 Interview Round
1
Technical Round (2 Questions)
- Q1. What do you mean by redux and how to use redux View Answers (1)
- Q2. What is the use of Context Api in React View Answers (1)
Skills evaluated in this interview
divya reddy
Interview experience
Excellent
Difficulty level
-
Duration
-
Result
-
2 Interview Rounds
1
Technical Round (2 Questions)
- Q1. Realted to React js Add Answer
- Q2. Javascript basics Add Answer
2
HR Round (1 Question)
- Q1. About salary discussion Add Answer
Interview experience
Excellent
Difficulty level
Easy
Duration
Less than 2 weeks
Result
Selected
I applied via Naukri.com and was interviewed before Aug 2023.
1 Interview Round
1
Technical Round (2 Questions)
- Q1. What is the difference between states and props ? View Answers (1)
- Q2. How are data passed from children to parents in react component? View Answers (1)
Interview Preparation Tips
Topics to prepare for Genpact Reactjs Developer interview:
- React.Js
- HTML
- CSS
- Javascript
Skills evaluated in this interview
Techfour Solutions Interview FAQs
How many rounds are there in Techfour Solutions Reactjs Developer interview?
Techfour Solutions interview process usually has 3 rounds. The most common rounds in the Techfour Solutions interview process are Resume Shortlist, Technical and Coding Test.
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