Handling Side Effects in React | Common Mistakes | useEffect, Redux Toolkit & React Query Explained

Handling Side Effects in React | API Calls, State Libraries & Common Mistakes | useEffect, Redux Toolkit & React Query Explained In this video, we cover side effects and data fetching in React — one of the most important concepts for every frontend developer. You’ll learn how React handles side effects, how to fetch data from APIs, and how modern libraries simplify server state management. This lesson is part of the Frontend Developer Course – React JS Series on My Digital Dairies (English). 📌 What you’ll learn in this video: What are side effects in React? How React handles side effects? Data fetching using useEffect Creating a custom hook for API calls Using Redux Toolkit for data fetching Using React Query (TanStack Query) Suspense for data fetching Common mistakes while handling side effects Best practices for modern React applications ⏱️ Video Chapters: 00:00 Introduction 00:45 What is Side Effect? 03:49 Different Ways Side Effects Are Handled in React 07:33 Consuming API using Custom Hook and useEffect 11:18 State Libraries: Redux Toolkit 14:59 React Query (TanStack Query) 18:46 Suspense 22:12 Common Mistakes in Side Effects & Data Fetching 26:44 Next Steps This video is perfect for: React beginners Frontend developers JavaScript developers Developers preparing for interviews Anyone learning modern React patterns This video is part of our Frontend Developer Course – React JS Series, perfect for React beginners, frontend developers, and interview preparation. If you are learning React JS, form handling, or want hands-on React practice, this video will help you build confidence with real code. Full React Setup:    • Kickstart Your React Journey: Setup, Insta...   Don’t miss other part of this series for JavaScript basics -    • Frontend Development Masterclass: HTML, CS...   Also check out the complete Frontend Developer Course Playlist (HTML, CSS, JavaScript, Projects) here:    • Frontend Development Masterclass: HTML, CS...   Join this channel to get access to perks:    / @mydigitaldiariesenglish   If you are preparing for React interviews, learning React fundamentals, or starting your frontend developer journey, this video is a must-watch. 👍 Like | 🔔 Subscribe | 💬 Comment if you have questions #react #reactjs #useeffect #datafetching #sideeffects #reacthooks #redux #reduxtoolkit #reactquery #tanstackquery #frontenddeveloper #javascript #webdevelopment #frontendcourse #mydigitaldairies