How do I build the comments section in a YouTube clone?
Build a recursive Comment component that renders replies as nested Comment components. Store nested data in a tree structure, and manage state for adding new comments and replies. This teaches recursive rendering.
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More FAQs in How to Build a YouTube Clone in React (Project Walkthrough)
Build a homepage with a video grid and sidebar filters, a search, a dynamic watch page with a player and comments, a nested comments section, and a live chat for live streams. Use local state for most things and Context or Redux for shared state.
Routing with dynamic routes, fetching from an API, nested data with the comments section, real-time updates with the live chat, and state management. It is a comprehensive project that covers most real frontend skills.
Use polling or WebSockets to receive new messages, and render a fast-updating list efficiently. Use stable keys for messages and consider windowing, showing only the latest N messages, so the DOM does not grow unboundedly.
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