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adroitCoders Reactjs Developer Interview Questions and Answers
adroitCoders Reactjs Developer Interview Experiences
2 interviews found
Anonymous
I applied via Company Website and was interviewed in Aug 2021. There were 5 interview rounds.
Interview Questionnaire
1 Question
- Q1. What is React / JSX / React DOM / Virtual DOM / Functional vs Class ?
- Ans.
React is a JavaScript library for building user interfaces. JSX is a syntax extension for JavaScript. React DOM is a package for DOM manipulation. Virtual DOM is a lightweight copy of the actual DOM. Functional components are stateless and Class components are stateful.
React is a JavaScript library for building user interfaces
JSX is a syntax extension for JavaScript that allows writing HTML-like code in JavaScript
React...
Interview Preparation Tips
- Basics of React
- 2hr coding test (To Do List)
- Logical question
The process is slow. It took me a week, from 1st round to last round.
Skills evaluated in this interview
I applied via Indeed and was interviewed in Feb 2021. There were 3 interview rounds.
Interview Questionnaire
1 Question
- Q1. Some basic Oops concepts and React basics
Interview Preparation Tips
Interview questions from similar companies
I applied via Naukri.com and was interviewed in Nov 2024. There was 1 interview round.
(4 Questions)
- Q1. What is difference between get props and set props
- Ans.
get props is used to retrieve the value of a property in React components, while set props is used to update the value of a property.
get props is used to access the value of a property passed down from a parent component
set props is used to update the value of a property in the current component
Example: get props - accessing the 'name' prop in a child component: this.props.name
Example: set props - updating the 'count' ...
- Q2. What is difference between get for each and map
- Ans.
get forEach is used to iterate over elements in an array without returning a new array, while map creates a new array by applying a function to each element.
forEach does not return a new array, while map returns a new array with the results of applying a function to each element
forEach is used for side effects, while map is used for transforming data
forEach does not return anything, while map returns a new array
Example...
- Q3. Difference between put and patch
- Ans.
PUT is used to update or replace an entire resource, while PATCH is used to update or modify part of a resource.
PUT is idempotent, meaning multiple identical requests will have the same effect as a single request.
PATCH is not necessarily idempotent, as multiple identical requests may have different effects.
PUT requires the client to send the entire updated resource, while PATCH only requires the client to send the spec...
- Q4. Difference between local storage session storage
- Ans.
Local storage is persistent and stays until manually cleared, while session storage is temporary and cleared when the browser is closed.
Local storage data persists even after closing the browser
Session storage data is cleared when the browser is closed
Both store data as key-value pairs similar to cookies
I applied via Naukri.com and was interviewed in Oct 2024. There were 2 interview rounds.
(3 Questions)
- Q1. Basic react interview question like lifecycle methods and about hooks
- Q2. Javascript interview questions like hoisting, closures, function currying and es6 features.
- Q3. Function to flatten and sort an array
(3 Questions)
- Q1. Basic scrum related questions
- Q2. Challenges faced
- Q3. Function to find the occurrences of the word in a string
(2 Questions)
- Q1. React basic,event loop, Lazy Loading, Suspense, Javascript basics
- Q2. Create counter application
- Ans.
Counter application using Reactjs
Create a React component for the counter
Use state to keep track of the count
Implement functions to increment and decrement the count
Display the count on the screen
I applied via Naukri.com and was interviewed in Oct 2024. There was 1 interview round.
(3 Questions)
- Q1. Redux related questions
- Q2. Css positioning including flex
- Q3. Authorisation and authentication
I applied via Recruitment Consulltant and was interviewed in Mar 2024. There were 2 interview rounds.
Its a 90 minutes aptitude round. It's having 3 sections :
1 - Logical and Anlytical reasoning
2 - Related to your Skills and the position for which you have applied. For me it was completly on React.
3 - Code Ground, where you have to showcase your coding skills.
(1 Question)
- Q1. There were programming questions and chose the correct output kind of questions.
Harsh Khandelwal
Dsa question were asked
Question related to profit loss
I was interviewed in Mar 2024.
(1 Question)
- Q1. Sematic elements in HTML? What is Sass, SCSS, LESS and more about CSS? Design a HTML form? Test cases in javascript How you will implement security on a banking website.
- Ans.
Semantic elements in HTML are tags that clearly define the structure of a webpage.
Semantic elements provide meaning to the content, making it easier for search engines and screen readers to understand.
Examples of semantic elements include
, Using semantic elements improves SEO and accessibility of a website.
Skills evaluated in this interview
I applied via Naukri.com and was interviewed in Feb 2022. There was 1 interview round.
(1 Question)
- Q1. All Basic questions related DOM, Virtual dom, DOM Manipulation, Redux Thunk saga, data flow, CSS different question like different way to place element in center, DOM node space, hidden/none different. In...
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