React useEffect Hook Explained - Beginner to Advanced! 🔥

React's useEffect hook is one of the most important hooks in React. It helps you run code when your component mounts, updates, or unmounts. But many developers struggle to understand it properly! 📌 In this video, you'll learn: ✅ What is useEffect and why do we need it? ✅ How useEffect works in simple terms ✅ How to use useEffect correctly (with examples) ✅ When does useEffect run? (Every render, on mount, on state change) ✅ What is the dependency array in useEffect? ✅ How to use the cleanup function to avoid memory leaks ✅ Common mistakes developers make with useEffect (and how to fix them!) ✅ Real-world examples: Fetching data from an API Running an interval or timeout Updating the document title dynamically Connecting and disconnecting from a WebSocket or event listener React Official Documentation : https://react.dev/reference/react/useEffect 💡 By the end of this video, you’ll fully understand useEffect and be able to use it confidently in your React projects! 🚀 #React #useEffect #ReactJS #ReactHooks #WebDevelopment #JavaScript #Coding #LearnReact #FrontendDevelopment #Programming #reacttutorial 💻 Let's connect on : 🔹 Linkedin : https://www.linkedin.com/in/ashi-singh21 🔹 Instagram : https://www.instagram.com/ashi.codes/ 🔹 Website : https://ashicodes.com/ 🔹 Email : [email protected]