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React Js Developer Interview Questions

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475 react js developer interview questions shared by candidates

1. Write javascript code to reverse a string without using inbuilt methods. 2. What is ReactJS 3. Virtual DOM 4, React Fiber 5. Life Cycle Method for class-based component 6. useRef, and createRef 7. useCallback and useMemo with example 8. call, apply and bind with an example 9. useState and useReducer 10, High order function
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React Js Developer

Interviewed at Quarks Technosoft

3.9★
Nov 24, 2024

1. Write javascript code to reverse a string without using inbuilt methods. 2. What is ReactJS 3. Virtual DOM 4, React Fiber 5. Life Cycle Method for class-based component 6. useRef, and createRef 7. useCallback and useMemo with example 8. call, apply and bind with an example 9. useState and useReducer 10, High order function

alot of this was general knowledge and back and forth. i thought this interview process was super fair and honestly very enjoyable to go through. toughest part was probably the cultural, a lot of hard questions on how you've dealt with conflict and solved problems in the past. take home was easy, the technical with the developers was fun to go through.
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Software Engineer - React JS

Interviewed at New Relic

3.5★
Aug 30, 2021

alot of this was general knowledge and back and forth. i thought this interview process was super fair and honestly very enjoyable to go through. toughest part was probably the cultural, a lot of hard questions on how you've dealt with conflict and solved problems in the past. take home was easy, the technical with the developers was fun to go through.

Online Assessment will be the first round. in that MCQ with basics of react js questions. It was tricky and good to work. it will be around 30 questions. next round will be technical face to face, after that final hr. round
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React Js Developer

Interviewed at Accenture

3.7★
Jul 6, 2021

Online Assessment will be the first round. in that MCQ with basics of react js questions. It was tricky and good to work. it will be around 30 questions. next round will be technical face to face, after that final hr. round

Tech Round 1 Interview started with brief discussion. then tech question was realted to javasctipt: 1. setTimeout consoles 2. tricky javascript hoisting question 3. async await code review type scenario 4. program of brackets problems 5. some trasformation of technology discussion I was just wondering there was no question on React concepts.
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React JS Developer Experienced

Interviewed at TO THE NEW

3.7★
Oct 3, 2021

Tech Round 1 Interview started with brief discussion. then tech question was realted to javasctipt: 1. setTimeout consoles 2. tricky javascript hoisting question 3. async await code review type scenario 4. program of brackets problems 5. some trasformation of technology discussion I was just wondering there was no question on React concepts.

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