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AppInventiv Technologies
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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 to the top of their scope, but not their assignments.
Function declarations are fully hoisted, meaning they can be called before they are declared.
Hoisting can lead to unexpected behavior if not understood properly.
Closure is a function that captures the variables from its surrounding scope, even after the surrounding function has finished executing.
Closure allows a function to access and manipulate variables from its outer function.
It maintains a reference to its outer function's scope, even after the outer function has returned.
Example: function outerFunction() { let outerVar = 'I am outer'; return function innerFunction() { co
I applied via LinkedIn and was interviewed in May 2022. There were 3 interview rounds.
AppInventiv Technologies interview questions for designations
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I applied via Walk-in and was interviewed in Nov 2024. There were 5 interview rounds.
Normal online code / frontend test
Designing and building a platform similar to BookMyShow involves creating a user-friendly interface for booking tickets for various events.
Develop a user-friendly website and mobile app for users to browse and book tickets for movies, concerts, plays, etc.
Implement a secure payment gateway for users to make online transactions.
Integrate a database to store information about events, venues, tickets, and user bookings.
In...
To build a tinyurl-like service, design a system with a URL shortening algorithm, a database to store mappings, and a redirect service.
Use a hashing algorithm to generate short URLs from long URLs (e.g. MD5, SHA-256).
Store the mappings of short URLs to long URLs in a database (e.g. MySQL, Redis).
Implement a redirect service that takes a short URL, looks up the corresponding long URL in the database, and redirects the u...
posted on 17 Nov 2024
Reverse a string to check if it is a palindrome.
Create a function that takes a string as input
Reverse the string using built-in functions or manually
Compare the reversed string with the original string to check if it is a palindrome
DSA round leetcode style question
Design a zepto delivery system for efficient and fast delivery of small packages.
Utilize drones for quick and efficient delivery
Implement a centralized hub for package sorting and distribution
Use GPS tracking for real-time package monitoring
Optimize routes for faster delivery times
Ensure secure and reliable delivery process
I was interviewed in Jul 2024.
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