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Navalt Front end Developer Interview Questions and Answers
Navalt Front end Developer Interview Experiences
1 interview found
Anonymous
I applied via Indeed and was interviewed before Nov 2023. There was 1 interview round.
(5 Questions)
- Q1. What is react, and explain how it works
- Ans.
React is a JavaScript library for building user interfaces.
React allows developers to create reusable UI components.
It uses a virtual DOM to improve performance by only updating the necessary parts of the actual DOM.
React uses a unidirectional data flow, making it easier to manage state and props.
React can be used with other libraries like Redux for state management.
- Q2. What are Hooks, explain them
- Ans.
Hooks are a feature in React that allow you to use state and other React features in functional components.
Hooks were introduced in React 16.8.
They allow you to use state and other React features without writing a class component.
Examples of hooks include useState, useEffect, and useContext.
- Q3. What are performance optimization techniques used in react?
- Ans.
Performance optimization techniques in React improve rendering speed and user experience.
Code splitting to load only necessary components
Memoization to prevent unnecessary re-renders
Virtualization for long lists to improve rendering performance
Using shouldComponentUpdate or React.memo for functional components
Minimizing unnecessary re-renders by using PureComponent or React.PureComponent
- Q4. How you manage state in React application
- Ans.
State in React is managed using useState hook for functional components and this.state for class components.
Use useState hook for managing state in functional components
Use this.state for managing state in class components
State can be passed down to child components using props
State can be updated using setState method
- Q5. What is the difference between Server-Side Rendering and Client-Side Rendering
- Ans.
Server-Side Rendering is rendering the web page on the server and sending the fully rendered page to the client, while Client-Side Rendering is rendering the web page on the client's browser using JavaScript.
Server-Side Rendering generates the HTML on the server and sends it to the client, resulting in faster initial page load.
Client-Side Rendering loads a basic HTML page first and then uses JavaScript to render the co...
Interview Preparation Tips
- React
- Javascript Frameworks
- Web Services
- Testing
Skills evaluated in this interview
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Interview questions from similar companies
I appeared for an interview before Dec 2020.
(1 Question)
Round duration - 360 minutes
Round difficulty - Medium
Basically TCS conduct its flagship event named as CODEVITA . And it offers Internship to prefinal (3rd )year students .
- Q1.
Allocate Books Problem Statement
Given an array of integers
arr, wherearr[i]represents the number of pages in thei-thbook, and an integermrepresenting the number of students, allocate all the books ... - Ans.
Allocate books to students in a way that minimizes the maximum number of pages assigned to a student.
Iterate through possible allocations and calculate the maximum pages assigned to a student.
Find the minimum of these maximums to get the optimal allocation.
Return the minimum pages allocated in each test case, or -1 if not possible.
Interview Preparation Tips
Tip 1 : Good understanding of Data Structure and Algorithms
Tip 2 : Be clear in your Core Subjects.
Tip 3 : Do at least 1 good Project .
Tip 4 : Be humble and speak truth .
Tip 1 : Simple and Crisp .
Tip 2 : Do host your project and mention the link in the resume .
Tip 3 : Single Page
Skills evaluated in this interview
I applied via LinkedIn
Interview Questionnaire
5 Questions
- Q1. 1.what is strict Mode in react. 2.Virtual Dom. 3,react and html difference
- Q2. What is redux
- Q3. What is jquery? 2.explain architecture of your project.
- Q4. Form validation in react
- Ans.
Form validation in React ensures user input is correct before submission.
Use controlled components to manage form state
Create validation functions to check input
Display error messages for invalid input
Disable submit button until form is valid
Consider using a library like Formik or Yup for easier validation
- Q5. React hooks explanation
Interview Preparation Tips
Skills evaluated in this interview
I applied via Recruitment Consultant and was interviewed in Mar 2021. There were 3 interview rounds.
Interview Questionnaire
1 Question
- Q1. Javascript ES6 HTML and Reactjs
Interview Preparation Tips
Interview Questionnaire
2 Questions
- Q1. Bootstrap
- Q2. Javascript
I applied via LinkedIn
Interview Questionnaire
1 Question
- Q1. Questions on basic html,css,javascript,angular
Interview Preparation Tips
Interview Questionnaire
1 Question
- Q1. What is event bubling
- Ans.
Event bubbling is the process of propagating an event from the innermost element to its parent elements in the DOM hierarchy.
Events in JavaScript are triggered on elements and then propagate up the DOM tree.
During event bubbling, an event triggered on a child element will also trigger on its parent elements.
This allows for event delegation, where a single event handler can be used for multiple elements.
Event.stopPropag...
Skills evaluated in this interview
I applied via Naukri.com and was interviewed in Nov 2021. There were 4 interview rounds.
1hr
(1 Question)
- Q1. About the ReactJS, Javascrirp,HTML5,CSS3 Questions
(1 Question)
- Q1. Salary Discussion only
Interview Preparation Tips
I applied via Recruitment Consulltant and was interviewed in Jan 2022. There were 5 interview rounds.
(9 Questions)
- Q1. What are your salary expectations?
- Ans.
I expect a competitive salary that reflects my skills, experience, and the industry standards for front-end developers.
Based on my research, the average salary for front-end developers in this region is between $70,000 and $90,000.
I have over 5 years of experience, which positions me towards the higher end of that range.
I am also open to discussing benefits and opportunities for growth, which can influence my overall c...
- Q2. What is your family background?
- Q3. Share details of your previous job.
- Q4. Why should we hire you?
- Q5. Why are you looking for a change?
- Ans.
I'm seeking new challenges to grow my skills and contribute to innovative projects in a dynamic environment.
Desire for professional growth: I'm eager to learn new technologies like React and improve my coding skills.
Looking for a collaborative environment: I thrive in teams that encourage brainstorming and creativity, like my previous role.
Interest in impactful projects: I'm motivated by work that makes a difference, s...
- Q6. Where do you see yourself in 5 years?
- Q7. What are your strengths and weaknesses?
- Q8. Tell me about yourself.
- Q9. Tell me about your questions
Interview Preparation Tips
I applied via Company Website and was interviewed before Jan 2022. There were 3 interview rounds.
(3 Questions)
- Q1. What is Event Loop ? How it works?
- Ans.
Event Loop is a mechanism in JavaScript that manages the execution of code and handles asynchronous operations.
Event Loop continuously checks the call stack and the message queue.
If the call stack is empty, it takes the first message from the queue and pushes it onto the call stack.
If the message is a callback function, it is executed and removed from the call stack.
If the message is not a callback function, it is pass...
- Q2. Make a set of 6 boxes Responsive in CSS
- Ans.
Use CSS to make a set of 6 boxes responsive
Use percentage or viewport units for width and height
Use media queries to adjust styles for different screen sizes
Consider using flexbox or grid for layout
Avoid using fixed pixel values
Test on different devices and browsers
Use CSS frameworks like Bootstrap or Foundation for easier implementation
- Q3. Hoisting & Closures Questions
(1 Question)
- Q1. What's your Salary expectations ?
Interview Preparation Tips
Skills evaluated in this interview
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