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Brillo Technologies Reactjs Developer Interview Questions and Answers

Updated 8 Feb 2022

Brillo Technologies Reactjs Developer Interview Experiences

1 interview found

I applied via Recruitment Consulltant and was interviewed in Jan 2022. There was 1 interview round.

Round 1 - Technical 

(1 Question)

  • Q1. 1. Triangle and reverse triangle pattern in JavaScript. 2.Regular JS questions.

Interview Preparation Tips

Interview preparation tips for other job seekers - Brush up basics, they are expecting DS and algo.

Interview questions from similar companies

I applied via Recruitment Consultant

Interview Questionnaire 

2 Questions

  • Q1. Round 1: Fundamentals questions related to Javascript and React. In React questions were focused on react-hooks. lifecycle components and optimization techniques in react. Basic to intermediate questions r...
  • Q2. Round 2: The interview panel will ask you to code some basic coding problem depending on your relevant experience and if you're not able to solve it they'll directly say they're done with the interview. In...

Interview Preparation Tips

Interview preparation tips for other job seekers - I cleared Round 1 after which there was a delay of more than 2 weeks and got a call for Round 2 without any prior notice. Their L2 level interview is very bad, in my case I ended the interview from my side as it looked very clear that the panel was least interested.
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Naukri.com and was interviewed in Nov 2024. There was 1 interview round.

Round 1 - Telephonic Call 

(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' ...

  • Answered by AI
  • 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...

  • Answered by AI
  • 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...

  • Answered by AI
  • 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

  • Answered by AI
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
-

I applied via Naukri.com and was interviewed in Jun 2024. There was 1 interview round.

Round 1 - Technical 

(3 Questions)

  • Q1. Difference between promise and async await ?
  • Ans. 

    Promises are objects representing the eventual completion or failure of an asynchronous operation, while async/await is a syntactic sugar built on top of promises to write asynchronous code in a synchronous manner.

    • Promises are used to handle asynchronous operations and provide a way to chain multiple asynchronous operations together.

    • Async/await allows you to write asynchronous code that looks synchronous, making it eas...

  • Answered by AI
  • Q2. Event loop based a console output questions?
  • Q3. UseMemo vs useCallback
  • Ans. 

    useMemo is used for memoizing expensive calculations, while useCallback is used for memoizing functions.

    • useMemo is used to memoize expensive calculations and only recompute the value when the dependencies change.

    • useCallback is used to memoize functions and only re-create the function when the dependencies change.

    • Example: useMemo can be used to memoize the result of a complex computation, while useCallback can be used t...

  • Answered by AI

Skills evaluated in this interview

Interview experience
1
Bad
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Difference beetween thow and new thow
  • Ans. 

    throw is used to throw an exception, new throw is used to throw an exception with a new object

    • throw is used to throw an exception in JavaScript

    • new throw is used to throw an exception with a new object

    • Example: throw new Error('Something went wrong')

  • Answered by AI
  • Q2. How to add validation
  • Ans. 

    Validation in React can be added using form validation libraries, custom validation functions, or built-in HTML5 validation attributes.

    • Use form validation libraries like Formik or Yup for easy validation setup

    • Create custom validation functions to validate input fields based on specific requirements

    • Utilize built-in HTML5 validation attributes like required, pattern, and min/max for basic validation

    • Display error messages...

  • Answered by AI

Skills evaluated in this interview

I applied via Recruitment Consultant and was interviewed in Apr 2021. There were 3 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. Basics about React
  • Q2. React components, Js code, Hooks

Interview Preparation Tips

Interview preparation tips for other job seekers - Not Bad
Interview experience
4
Good
Difficulty level
Easy
Process Duration
-
Result
No response
Round 1 - Technical 

(4 Questions)

  • Q1. What are hooks in reactjs?
  • Ans. 

    Hooks are a new feature in React 16.8 that allow you to use state and other React features without writing a class.

    • Hooks are functions that let you use state and other React features in functional components.

    • They allow you to reuse stateful logic without changing your component hierarchy.

    • Some built-in hooks include useState, useEffect, useContext, etc.

    • Hooks provide a more direct API to the React concepts you already kn...

  • Answered by AI
  • Q2. What is pure component?
  • Ans. 

    Pure component is a class component that does not re-render if the input props and state remain the same.

    • Pure components implement shouldComponentUpdate method with shallow prop and state comparison.

    • They are optimized for performance as they prevent unnecessary re-renders.

    • Example: class MyComponent extends React.PureComponent { // component code here }

  • Answered by AI
  • Q3. What is modules in javascript?
  • Ans. 

    Modules in JavaScript are reusable pieces of code that can be exported from one file and imported into another.

    • Modules help in organizing code into separate files for better maintainability.

    • Modules can be imported using 'import' keyword and exported using 'export' keyword.

    • Modules can be used to encapsulate code and prevent global namespace pollution.

    • CommonJS and ES6 modules are two popular module systems in JavaScript.

  • Answered by AI
  • Q4. What is the difference between rem and em in css? How to hide something in CSS?
  • Ans. 

    rem and em are both units in CSS for defining font sizes, with rem being relative to the root element and em being relative to the parent element.

    • rem stands for 'root em' and is relative to the font size of the root element (usually the tag)

    • em stands for 'element em' and is relative to the font size of the parent element

    • To hide something in CSS, you can use the display property with a value of 'none' or the visibility...

  • Answered by AI

Interview Preparation Tips

Topics to prepare for NeoSOFT Reactjs Developer interview:
  • HTML
  • CSS
  • Javascript
  • Github
  • React.Js

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Alternative way for prop drilling
  • Ans. 

    Context API or Redux can be used as alternative ways for prop drilling in React.

    • Use Context API to pass data down the component tree without having to manually pass props at every level.

    • Implement Redux to manage global state and access data from any component without prop drilling.

    • Consider using React's useContext hook with Context API for a simpler way to consume context in functional components.

  • Answered by AI
Round 2 - Technical 

(1 Question)

  • Q1. Asked four programs
Round 3 - HR 

(1 Question)

  • Q1. Salary discussion

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - HR 

(1 Question)

  • Q1. Questions related to Current Job Profile and previous experience
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
No response

I was interviewed in Sep 2023.

Round 1 - Technical 

(2 Questions)

  • Q1. Basic Javascript Questions
  • Q2. JS Array Questions

Interview Preparation Tips

Topics to prepare for LTIMindtree Reactjs Developer interview:
  • javascript
  • arrays
  • array functions
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Brillo Technologies Interview FAQs

How many rounds are there in Brillo Technologies Reactjs Developer interview?
Brillo Technologies interview process usually has 1 rounds. The most common rounds in the Brillo Technologies interview process are Technical.

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