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Classplus React Js Frontend Developer Interview Questions and Answers
Classplus React Js Frontend Developer Interview Experiences
1 interview found
Selected
I applied via Recruitment Consulltant and was interviewed in Apr 2024. There was 1 interview round.
(2 Questions)
- Q1. Props in reactjs
- Ans.
Props in ReactJS are used to pass data from parent to child components.
Props are read-only and cannot be modified by the child component.
Props can be any type of data, including strings, numbers, arrays, objects, functions, etc.
Props are passed down the component tree from parent to child using the syntax
.
- Q2. How would u make webapp efficient
- Ans.
Optimize code, minimize network requests, use lazy loading, implement caching
Optimize code by removing unnecessary code, using efficient algorithms, and reducing render times
Minimize network requests by combining multiple requests, using server-side rendering, and implementing data caching
Use lazy loading to only load resources when needed, improving initial load times
Implement caching for frequently accessed data to r
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Interview questions from similar companies
React Js Frontend Developer Interview Questions & Answers
Celebal Technologies
DASHBOARD 15 2021
posted on 15 Jan 2025
I applied via Walk-in
Basics of the C++ and DSA like Array Linkedlist graph
React Js Frontend Developer Interview Questions & Answers
Celebal Technologies
Anonymous
posted on 23 May 2024
(1 Question)
- Q1. What are closures?
- Ans.
Closures are functions that have access to their own scope, as well as the scope in which they were defined.
Closures are created when a function is defined within another function and has access to the outer function's variables.
They allow for maintaining state in an asynchronous environment.
Closures can be used to create private variables and functions in JavaScript.
React Js Frontend Developer Interview Questions & Answers
Celebal Technologies
DASHBOARD 15 2021
posted on 15 Jan 2025
I applied via Walk-in
Basics of the C++ and DSA like Array Linkedlist graph
React Js Frontend Developer Interview Questions & Answers
Celebal Technologies
Anonymous
posted on 23 May 2024
(1 Question)
- Q1. What are closures?
- Ans.
Closures are functions that have access to their own scope, as well as the scope in which they were defined.
Closures are created when a function is defined within another function and has access to the outer function's variables.
They allow for maintaining state in an asynchronous environment.
Closures can be used to create private variables and functions in JavaScript.
React Developer Interview Questions & Answers
Celebal Technologies
Sourabh Rathore
posted on 18 Apr 2024
Selected
Basic array string operatioms
(1 Question)
- Q1. Smooth basic discussion
Reactjs Developer Interview Questions & Answers
Celebal Technologies
Anonymous
posted on 18 Feb 2024
Selected
I applied via campus placement at Lovely Professional University (LPU) and was interviewed before Feb 2023. There were 2 interview rounds.
Basic aptitude, Sql, and some programming mcq question
Basic coding question
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