Jun 20, 2025 · 5 min read · If you're gearing up for a front-end or full-stack developer interview in 2025, chances are you'll face a solid round of questions on React. As one of the most in-demand JavaScript libraries for building user interfaces, React continues to dominate t...
Join discussionMay 29, 2025 · 11 min read · This one time in an interview, I confused the Virtual DOM (Document Object Model) with Data Object Modification. I could tell I’d made that blunder the moment the words left my mouth. My brain went, “Well, that’s not right,” and the interviewer just ...
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Apr 15, 2025 · 3 min read · “To understand the code, you must live in the code.”— A React explorer with console.log as his compass Where it all began... 🌱 When I decided to truly understand how React works under the hood — not just use it, but really get it — I didn’t know wh...
Join discussionMar 9, 2025 · 2 min read · In this post, we will learn how to implement a polyfill for useMemo in ReactJS React’s useMemo is an essential hook for performance optimization. It helps you memoize values so that expensive computations only run when necessary. But have you ever th...
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Mar 6, 2025 · 2 min read · React’s useCallback is a powerful hook that helps optimize your components by memoizing functions. But have you ever wondered how it works behind the scenes? 🧠 What Does useCallback Do? useCallback returns a memoized version of a callback function t...
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Feb 28, 2025 · 8 min read · In my previous article, I have written my round 3 interview experience at Invictus Data AI. I got a call from HR informing me that I was selected for round 4 (last round), which took place today. In this article, I will share the questions I have bee...
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Feb 18, 2025 · 6 min read · In my previous article, I have written my round 2 interview experience at Invictus Data AI. I got a call from HR informing me that I was selected for round 3, which took place today. In this article, I will share the questions I have been asked and m...
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Feb 10, 2025 · 7 min read · I have recently been interviewed for the Frontend Developer Role at Invictus Data AI (Company's LinkedIn). I will explain the interview process and the questions I have been asked in this article. Interview Duration : Around 40 minutes. NOTE : Please...
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Jan 14, 2025 · 22 min read · Introduction Hello fellow developers! If you are appearing for any front-end profile interview, these basic task-based 60 questions, and 40 advance questions along with code snippets as answers, provide a practical and efficient way to learn JavaScri...
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Oct 16, 2024 · 2 min read · 1. What are error boundaries in React, and how do you implement them? Error boundaries are React components that catch JavaScript errors anywhere in their child component tree, log those errors, and display a fallback UI. They catch errors during ren...
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