Build a Star Rating Component in React ⭐🌟 (Machine Coding Question)
⏳ Timestamps
0:00 Intro
0:07 Demo
1:00 Creating the Star Rating Component
2:09 Where do the stars come from?
2:57 Making the number of stars dynamic with props
4:36 Why we need state (and how to use it)
7:13 Handling star color changes
9:38 Adding the hover preview effect
13:46 Final Demo
13:59 Outro
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⭐ Can you build a Star Rating component from scratch in a React interview?
This is one of the most common React machine coding interview questions, and while most candidates can render stars, many struggle when interviewers ask for features like hover previews, dynamic star counts, and clean reusable code.
In this tutorial, we'll build the entire component step by step while discussing the thought process interviewers expect to see.
🚀 What you'll learn
✅ Create stars dynamically instead of hardcoding them
✅ Make the component reusable using props
✅ Manage ratings with React state
✅ Highlight selected stars
✅ Implement a smooth hover preview effect
✅ Build interview-ready, production-style React code
Whether you're preparing for frontend interviews or simply improving your React skills, this is a component every React developer should know.
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🔥 This video is part of my React Machine Coding Interview series.
Each video focuses on writing clean code, handling edge cases, and explaining the reasoning behind every implementation.
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