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🎉 Day 46 — React Mastery Completed (Final Summary & Congratulations!)

🎉 Day 46 — React Mastery Completed (Final Summary & Congratulations!) Congratulations, developer! 👏 You’ve successfully completed the 45-Day React.js Roadmap — from understanding the fundamentals to mastering advanced concepts like Redux, Routing, Testing, and Deployment. 📘 What You’ve Learned ✅ React basics — Components, JSX, Props, and State ✅ Hooks — useState, useEffect, useRef, useMemo, and Custom Hooks ✅ Context API and Redux Toolkit for global state management ✅ Routing with React Router & Protected Routes ✅ Data fetching using Fetch API, Axios, React Query ✅ Advanced Patterns — Compound Components, Render Props, HOCs ✅ Styling — CSS Modules, Styled Components, Theming ✅ Animations, Accessibility, Testing, and Performance Optimization ✅ Deployment on Vercel, Netlify, or GitHub Pages 🧩 Final Project Ideas Now that you’re done, build real-world apps to polish your skills: 📝 Task ...
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🧩 Day 18 — Custom Hooks: Patterns & Building Your First Hook

🧩 Day 18 — Custom Hooks: Patterns & Building Your First Hook

Custom hooks let you extract and reuse stateful logic between components. They start with use and can call other hooks inside.

🔹 Example: useFetch Hook

import { useState, useEffect } from "react";

function useFetch(url) {
  const [data, setData] = useState(null);

  useEffect(() => {
    fetch(url)
      .then(res => res.json())
      .then(setData);
  }, [url]);

  return data;
}

function Users() {
  const users = useFetch("https://jsonplaceholder.typicode.com/users");
  return <pre>{JSON.stringify(users, null, 2)}</pre>;
}

Custom hooks improve code reusability and readability — a great way to keep your React apps clean and organized.

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