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Fundamental concepts of JavaScript discussed in the interview
Data types in JavaScript (string, number, boolean, object, array)
Functions and scope in JavaScript
DOM manipulation and event handling
Asynchronous programming with callbacks, promises, and async/await
Object-oriented programming concepts in JavaScript
Designing WhatsApp involves creating a high-level design for the messaging app, focusing on features like chat, groups, calls, and media sharing.
Implement chat functionality with real-time messaging using sockets
Design group chat feature with ability to add/remove members
Include end-to-end encryption for secure messaging
Develop voice and video calling functionality
Allow media sharing such as photos, videos, and documen
Design a ticket booking system for efficient and user-friendly experience.
Use a database to store information about available tickets, users, and bookings
Implement a user-friendly interface for users to search for and book tickets
Include features like seat selection, payment processing, and booking confirmation
Consider scalability and performance to handle a large number of users and bookings
I applied via Company Website and was interviewed in Feb 2024. There was 1 interview round.
Design dream11. Bonus - how notification will be sent to customer for milestone of a player they have followed at scale.
Two DSA Questions
1. Check whether two strings are anagram or not?
2. Create power function without using Math.pow() library?
Groww interview questions for designations
Top trending discussions
I applied via Approached by Company and was interviewed in Jun 2024. There was 1 interview round.
I applied via Company Website and was interviewed before Jan 2021. There were 4 interview rounds.
I applied via Referral and was interviewed in Oct 2023. There were 2 interview rounds.
Pagination in SQL allows for displaying a subset of query results at a time.
Use LIMIT and OFFSET clauses in SQL queries to implement pagination.
LIMIT specifies the maximum number of rows to return.
OFFSET specifies the number of rows to skip before starting to return rows.
Threads and tasks are both used in multiprocessing, but have different characteristics and use cases.
Threads are lightweight processes within a single process, sharing memory space. They are managed by the operating system.
Tasks are units of work that can be executed asynchronously. They are typically managed by a task scheduler.
Threads are suitable for parallel processing and improving performance, while tasks are use...
ViewBag is used to pass data from controller to view, while TempData is used to pass data between controller actions.
ViewBag is a dynamic property that allows you to pass data from controller to view
TempData is a dictionary object that allows you to pass data between controller actions
ViewBag is not type-safe and requires typecasting, while TempData is type-safe
ViewBag data is lost if redirection occurs, while TempData
Abstract classes can have both abstract and non-abstract methods, while interfaces can only have abstract methods.
Abstract classes can have constructors, fields, and non-abstract methods.
Interfaces can only have abstract methods and constants.
A class can implement multiple interfaces but can only inherit from one abstract class.
I applied via Recruitment Consulltant and was interviewed in May 2024. There were 3 interview rounds.
I was asked two DSA questions and duration was of one hour.
1. Calculate Sum of edges of LinkedList
2. Given a list of numbers, find out all the pythagorean triplets.
This was also a DSA round for 1 hour and expected to solve two problems (Medium)
This was a system design round for one hour
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