Build infinite nested comments system | nested comments in react | win react machine coding series 4
💬 Build Infinite Nested Comments System in React | React Machine Coding Interview Question | Win React Machine Coding Series 4
Ever wondered how Facebook or Reddit handle nested comments?
In this episode of “Win Machine Coding Interviews using React”, we take on a classic frontend interview challenge — building a fully functional infinite nested comments UI from scratch!
🧠 What You’ll Learn
✅ How to recursively render nested replies
✅ Dynamically add replies to any comment level
✅ Design a clean, dark-mode Facebook-style UI
✅ Structure reusable components with React + TypeScript
✅ Think like an interviewer while coding efficiently
🔥 Why This Video Matters
This is one of the most commonly asked frontend machine coding questions in FAANG and top product company interviews.
It tests your ability to design scalable UIs, handle recursion, and write clean, maintainable React code.
⚙️ Tech Stack Used
React (Functional Components)
TypeScript
Props Drilling
Pure CSS (Dark Mode UI)
📁 Source Code: https://codesandbox.io/p/devbox/cool-...
📺 Full Playlist: • Autocomplete Search Bar | Win Frontend Mac...
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💬 Got questions or feedback? Drop them in the comments — I reply to most!