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TCS Senior Front end Developer Interview Questions and Answers
TCS Senior Front end Developer Interview Experiences
2 interviews found
Anonymous
I applied via LinkedIn and was interviewed in Nov 2024. There were 2 interview rounds.
They asked JS basics and Promises, hoisting
Just asked about my work culture, as I worked in startup and product based company, they except me work in Agile and how u will adopt to MNC / service based company culture
Aneesha S
(2 Questions)
- Q1. What is Hositing
- Ans.
Hoisting is a JavaScript mechanism where variable and function declarations are moved to the top of their containing scope during the compilation phase.
Variable declarations are hoisted but not their initializations
Function declarations are fully hoisted
Hoisting can lead to unexpected behavior if not understood properly
- Q2. What is closure
- Ans.
Closure is the combination of a function bundled together with references to its surrounding state.
Closure allows a function to access variables from its outer scope even after the outer function has finished executing.
It is created whenever a function is defined within another function.
Closure helps in maintaining the state of a function and allows for data encapsulation.
Interview questions from similar companies
I applied via Recruitment Consulltant and was interviewed in May 2024. There were 2 interview rounds.
(3 Questions)
- Q1. What are states and props in React?
- Ans.
States and props are important concepts in React for managing and passing data between components.
States are mutable data that can be changed within a component
Props are read-only data passed from parent to child components
States are managed within a component using setState() method
Props are accessed using this.props in a component
- Q2. What is Virtual DOM
- Ans.
Virtual DOM is a lightweight copy of the actual DOM that allows for efficient updates and rendering in web applications.
Virtual DOM is a concept used in frameworks like React to improve performance by minimizing direct manipulation of the actual DOM.
When changes are made to the virtual DOM, a comparison is done with the actual DOM to determine the minimal updates needed for rendering.
This process helps reduce the numbe...
- Q3. Build a fetch and filter component
- Ans.
A fetch and filter component for data retrieval and manipulation
Use fetch API to retrieve data from an API endpoint
Implement a filter function to manipulate the retrieved data based on user input
Display the filtered data in the UI
Javascript and React snippets
Interview Preparation Tips
- Async
- Javascript
- React.Js
Skills evaluated in this interview
(2 Questions)
- Q1. How are you doing?
- Q2. What do you do in your life?
(2 Questions)
- Q1. No problem with this
- Q2. The only way you could be
Interview Preparation Tips
I was interviewed in Jul 2024.
First round is online assessment. Where we have multiple choice questions related to angular, css. Html, javascript
(2 Questions)
- Q1. AOT. JIT compilers, Pipes, Services, Singleton component
- Q2. Have you developed website for physically challenged ppl, accessibility
- Ans.
Yes, I have experience developing websites for physically challenged individuals with a focus on accessibility.
Implemented keyboard navigation for users with mobility impairments
Utilized ARIA roles and attributes to improve screen reader compatibility
Ensured color contrast and text size met WCAG standards
Tested websites with assistive technologies like screen readers and voice recognition software
Interview Preparation Tips
Skills evaluated in this interview
I was interviewed before Aug 2021.
(1 Question)
- Q1. Basic previous project technical details JavaScript let const var difference Hoisting Promises Async await
Interview Preparation Tips
Senior Front end Developer Interview Questions & Answers
Accenture
Arpita Singh
posted on 8 Oct 2024
(1 Question)
- Q1. General intro to the hr person
(1 Question)
- Q1. JS related questions
(1 Question)
- Q1. JS related questions
(1 Question)
- Q1. JS related questions
Selected
I applied via Recruitment Consulltant and was interviewed before Jan 2024. There was 1 interview round.
(2 Questions)
- Q1. Basic components communication
- Q2. Forms based questions
Selected
I applied via Referral and was interviewed in Jun 2024. There were 2 interview rounds.
(1 Question)
- Q1. Interviewer asked about depth in React Js and JavaScript. JavaScript questions - Hoisting, implementation of closure, difference between call, bind & apply. Logic implementation of suggestions list in sea...
(1 Question)
- Q1. He asked about both technical and non technical related questions. Previous organisation works. What i have faced difficult y in previous organisation. And some scenario based questions.
I was interviewed before Sep 2020.
(1 Question)
Round duration - 140 minutes
Round difficulty - Medium
Test timing was at 2:00 pm , it was conducted in a college and the environment was good for the test. Camera was a primary part of test, so no suspicious activity.
- Q1.
Sum of Two Numbers Represented as Arrays
Given two numbers in the form of two arrays where each element of the array represents a digit, calculate the sum of these two numbers and return this sum as an ar...
- Ans.
Given two numbers represented as arrays, calculate their sum and return the result as an array.
Iterate through the arrays from right to left, adding digits and carrying over if necessary
Handle cases where one array is longer than the other by considering the remaining digits
Ensure the final sum array does not have any leading zeros
Round duration - 20 minutes
Round difficulty - Easy
The round was conducted at around 12 p.m. I was called at the college location and then it was conducted. The interviewer was quite polite and frank.
Round duration - 8 minutes
Round difficulty - Easy
This round was conducted right after finishing and clearing the technical round at the same place and on the same day.
Interview Preparation Tips
Tip 1 : Practice atleast 2-3 Coding problems daily so your logic building becomes stronger.
Tip 2 : Exercise problems based on OOPS concepts and others too.
Tip 3 : If you can have your own project built, then it's the major point and will act as a plus point.
Tip 1 : Your resume should be in standard form, short and simple will be more effective.
Tip 2 : Whatever you have learned, you need to mention it in your resume as that will be your primary source of selection and having project on your resume is important.
Skills evaluated in this interview
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TCS Senior Front end Developer Interview Process
based on 3 interviews
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