AmbitionBox
Interview Questions
- Reviews
- Salaries
- Interview Questions
- About Company
- Benefits
- Jobs
- Office Photos
- Community
Add office photos
Filter interviews by
Belcan Reactjs Developer Interview Questions and Answers
Belcan Reactjs Developer Interview Experiences
1 interview found
Anonymous
Selected
I applied via Walk-in and was interviewed before Apr 2023. There was 1 interview round.
There was only one round and two people, they asked basic react js and javsacript questions and then one coding question.
Top trending discussions
Interview questions from similar companies
Interview Questionnaire
2 Questions
- Q1. Let, const, var
- Q2. Redux flow. Spread and Rest operator. before and after in css.
Interview Questionnaire
1 Question
- Q1. Asked to write a general reusable form component in Reactjs, fields should be dynamic and inputs to the form should get displayed as table format.
- Ans.
A reusable React form component that dynamically generates fields and displays inputs in a table format.
Use React's state to manage form data dynamically.
Utilize a mapping function to render form fields based on an array of field definitions.
Implement a submit handler to process the form data.
Display the form inputs in a table format using HTML table elements.
Example of field definitions: [{ label: 'Name', type: 'text'...
Interview Questionnaire
3 Questions
- Q1. What are the new features in react 16?
- Ans.
React 16 introduced new features like React Fiber, Error Boundaries, Portals, and improved server-side rendering.
React Fiber is a new reconciliation engine that improves performance and enables incremental rendering.
Error Boundaries allow developers to catch and handle errors in components.
Portals provide a way to render children into a different DOM subtree.
Improved server-side rendering with support for streaming and...
- Q2. Why react hooks are use full?
- Ans.
React hooks simplify state management and lifecycle methods in functional components.
Hooks allow functional components to have state and lifecycle methods
They reduce the need for class components and HOCs
Hooks make code more readable and easier to test
Examples of hooks include useState, useEffect, and useContext
- Q3. What is HOC components?
- Ans.
HOC components are higher-order components in React that allow code reuse and logic sharing.
HOC components are functions that take a component and return a new component with additional functionality.
They are used to abstract common logic and behaviors into reusable components.
HOC components can be used for tasks like authentication, logging, and code reuse.
Example: a withAuth HOC component that adds authentication log...
Skills evaluated in this interview
I applied via Company Website and was interviewed in May 2021. There were 3 interview rounds.
Interview Questionnaire
4 Questions
- Q1. All basic js concepts
- Q2. Reactjs 16+ questions
- Q3. Nodejs
- Q4. Unit test
Interview Preparation Tips
Reactjs 16+ questions
Nodejs
Jest, enzyme
I applied via Job Portal
(1 Question)
- Q1. Aptitude Questions on Profit-Loss, Speed-time-distance, State difference, logical reasoning, sample papers can be found on youtube. Programs on array and string, program level is good practice leetcode and...
Interview Preparation Tips
Savita
(1 Question)
- Q1. What next after npm build
- Ans.
After running npm build, the next step is to deploy the built application to a web server or hosting platform.
Upload the build files to a web server or hosting platform
Configure the server to serve the build files
Test the deployed application to ensure it is working correctly
Skills evaluated in this interview
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.
Niharika Thakur
I applied via Company Website and was interviewed in Jun 2024. There were 2 interview rounds.
Got a link on mail to give online clearance test. 25 questions on react, Js and html-css
(1 Question)
- Q1. Build a login page
- Ans.
A simple login page built with React, featuring form handling and validation.
Use functional components and hooks like useState for managing form state.
Implement controlled components for input fields to handle user input.
Add basic validation to ensure fields are not empty before submission.
Use CSS or a UI library like Material-UI for styling the login form.
Handle form submission with an onSubmit event, and manage error...
(1 Question)
- Q1. What is Pure components/memo/useCallback/HoC
- Ans.
Pure components, memo, useCallback, and HoC are optimization techniques in React for improving performance.
Pure components are components that only re-render when their props or state change.
memo is a higher order component that memoizes the result of a component rendering, preventing unnecessary re-renders.
useCallback is a hook that memoizes functions, preventing unnecessary re-creations on re-renders.
HoC (Higher Orde...
Belcan Interview FAQs
Tell us how to improve this page.
Belcan Interviews By Designations
- Belcan Lead Engineer Interview Questions
- Belcan Senior Engineer Interview Questions
- Belcan Structural Design Engineer Interview Questions
- Belcan Senior Recruiter Interview Questions
- Belcan System Engineer Interview Questions
- Belcan Design Engineer Interview Questions
- Belcan Reactjs Developer Interview Questions
Overall Interview Experience Rating
based on 1 interview experience
Difficulty level
Duration
Reactjs Developer Interview Questions from Similar Companies
Belcan Reactjs Developer Reviews and Ratings
based on 1 review
Rating in categories
|
Design Engineer
64
salaries
|  ₹3 L/yr - ₹10 L/yr |
|
Lead Engineer
50
salaries
| ₹8 L/yr - ₹22 L/yr |
|
Senior Design Engineer
25
salaries
| ₹5.1 L/yr - ₹11.5 L/yr |
|
Project Lead
24
salaries
| ₹12 L/yr - ₹25.9 L/yr |
|
Senior Engineer
23
salaries
| ₹5 L/yr - ₹11.6 L/yr |
Accenture
Wipro
Cognizant
Capgemini
- Home >
- Interviews >
- Belcan Interview Questions
