Build an Accordion Component in React in 8 mins! (Machine Coding Interview Question)
Accordion is one of the most common React machine coding interview questions asked in product-based companies and top MNCs. It looks simple, but interviewers are testing your React fundamentals—state management, conditional rendering, event handling, and component design.
In this video, we'll build a reusable Accordion component from scratch in just 8 minutes, while explaining the thought process you'd use during a real frontend interview.
What you'll learn:
Build a reusable Accordion component in React
Render FAQ items dynamically using `map()`
Manage open/close state with `useState`
Ensure only one accordion item is open at a time
Implement toggle logic (click again to collapse)
Rotate the arrow icon using conditional styling
Common interview tips and mistakes to avoid
Perfect for:
React Interview Preparation
Frontend Machine Coding Rounds
Product-Based Company Interviews
React Beginners looking to build real components
⌛Timestamps
00:00 – Introduction
00:19 – Demo
00:36 – Creating the Accordion Component
00:58 – Interview Thought Process
02:06 – Rendering Data with map()
03:59 – Implementing Expand & Collapse Logic
07:11 – Styling the Accordion (Optional)
08:15 – Final Demo
08:25 – Wrap Up
🎯 If you're preparing for React interviews, this video is part of a growing playlist where we solve real machine coding questions frequently asked in frontend interviews.
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