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I have utilized useState, useEffect, useContext, and useRef hooks in my projects.
useState - for managing state in functional components
useEffect - for handling side effects in functional components
useContext - for accessing context in functional components
useRef - for accessing DOM elements or storing mutable values
Redux is a predictable state container for JavaScript apps. It helps manage the state of an application in a centralized way.
Redux is a state management library commonly used with React to manage the state of an application.
It follows a unidirectional data flow pattern, where the state is stored in a single store and changes are made through actions and reducers.
Redux allows for a more structured way of managing state ...
visibility: hidden hides an element but still takes up space, while display: none hides an element and removes it from the flow of the document.
visibility: hidden hides the element but it still occupies space on the page
display: none hides the element and removes it from the document flow
visibility: hidden elements are still rendered, just not visible
display: none elements are not rendered at all
JavaScript closures, TDZ, hoisting, and the JavaScript engine are key concepts in understanding how JavaScript works.
JavaScript closures are functions that have access to variables from their outer scope even after the outer function has finished executing.
Temporal Dead Zone (TDZ) is the period between entering a scope and the variable being declared where accessing the variable results in a ReferenceError.
Hoisting is ...
Identify the duplicate character in the string.
React JS is a JavaScript library for building user interfaces.
React is component-based, allowing for reusable UI elements.
Uses a virtual DOM for efficient updates to the actual DOM.
Supports server-side rendering for improved performance.
Uses JSX syntax to write HTML within JavaScript code.
State management is handled using props and state.
Angular is a popular front-end framework developed by Google for building dynamic web applications.
Angular is based on TypeScript, a superset of JavaScript.
It uses a component-based architecture for building reusable UI components.
Angular provides features like data binding, dependency injection, and routing.
It has a powerful CLI for scaffolding and managing projects.
Angular has a large ecosystem of libraries and tools
I applied via Job Fair and was interviewed in Jun 2024. There were 2 interview rounds.
Digital payment
Easy transcation money
dont use emergency time
API stands for Application Programming Interface. It is a set of rules and protocols that allows different software applications to communicate with each other.
APIs define the methods and data formats that applications can use to request and exchange information.
They allow developers to access the functionality of a system or service without needing to understand its internal workings.
Examples of APIs include Google Ma...
State and props are two important concepts in React for managing and passing data between components.
State is used to store and manage data within a component. It is mutable and can be updated using setState() method.
Props (short for properties) are used to pass data from parent to child components. They are immutable.
State is internal to a component, while props are external and passed down from parent components.
Exam...
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I appeared for an interview in Jan 2025.
Add number as string along with basics react questions.
TCS interview questions for designations
I applied via Referral and was interviewed in Apr 2024. There was 1 interview round.
Props in React are read-only properties that are passed from a parent component to a child component.
Props allow data to be passed down the component tree.
Props are immutable and cannot be changed by the child component.
Props are accessed in the child component using this.props.
Props are used to pass data from parent to child components, while state is used to manage data within a component.
Props are read-only and cannot be modified by the component receiving them.
State is mutable and can be changed by the component that owns it.
Props are passed down from parent components, while state is managed locally within a component.
Example: Passing a user's name as a prop to a child component vs. stor
Get interview-ready with Top TCS Interview Questions
Spread operator allows an iterable to be expanded in places where zero or more arguments are expected. Rest operator collects all the remaining elements into an array.
Spread operator is denoted by three dots (...)
Spread operator can be used to copy an array or object
Rest operator is also denoted by three dots (...) and is used in function parameters to collect all remaining arguments into an array
Pure functions are functions that always return the same output for the same input and have no side effects.
Always return the same output for the same input
Have no side effects, meaning they do not modify external state or variables
Pure functions are predictable and easier to test and debug
Create a corouesel with react
I have a strong background in front end development with a proven track record of delivering high-quality projects on time.
I have extensive experience in HTML, CSS, and JavaScript
I am proficient in using front end frameworks like React and Angular
I have a keen eye for design and user experience, ensuring that the projects I work on are visually appealing and user-friendly
I am a team player and have excellent communicat...
I am a passionate front end developer with experience in HTML, CSS, JavaScript, and responsive design.
Experienced in creating responsive web applications
Proficient in HTML, CSS, and JavaScript
Familiar with front end frameworks like React and Angular
Strong problem-solving skills and attention to detail
I applied via Campus Placement and was interviewed in May 2024. There were 2 interview rounds.
45,logical ,codding testing
Echo system human impact
I applied via Company Website and was interviewed in Nov 2023. There were 3 interview rounds.
Attitude test are use to personality and knowledge
Html , css , java , reactjs
I appeared for an interview in Nov 2023.
Ask logic building questions
Some of the top questions asked at the TCS Front end Developer interview -
The duration of TCS Front end Developer interview process can vary, but typically it takes about less than 2 weeks to complete.
based on 32 interviews
3 Interview rounds
based on 162 reviews
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