React JS | useEffect Hook Explained with Examples | Lecture 7 | Motivation2Code

React JS Lecture 7 | useEffect Hook in React | Location & Product API Fetching | Motivation2Code

Welcome to Lecture 7 of our React.js series on Motivation2Code!
In this session, we dive deep into one of the most essential React hooks — useEffect().

React’s useEffect() allows us to perform side effects such as data fetching, DOM manipulation, and subscriptions in functional components.

🧠 What You’ll Learn in This Lecture:
🔹 What is useEffect() and when to use it
🔹 Syntax and behavior of the useEffect() hook
🔹 Dependency array and how it controls re-renders
🔹 Real-life examples:

📍 Fetching Location using an API

🛒 Fetching Product Data using fetch() or API calls

🔹 Best practices and common mistakes with useEffect()
🔹 Comparison with lifecycle methods like componentDidMount

📘 Code examples are fully explained step-by-step for beginners.

🎯 This lecture is ideal for those wanting to master side effects in React, and for beginners learning API integration in a React app.

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