#52: useEffect Hook with Dependency Array in React JS: Learn with 3 Practical Examples

In this video, you'll master the useEffect hook with a dependency array in React JS through three practical examples. Understand what the useEffect hook is, how it works, and why it's crucial for managing side effects in your React applications. Learn the importance of the dependency array and how it controls the execution of useEffect. By the end of this video, you'll be able to efficiently use useEffect to handle data fetching, subscriptions, and more, making your React apps more robust and efficient. For instance, see how fetching data can be a side effect and how to structure your folder for better code management.

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⌛TIMELINE⏳
0:00 Introduction
0:25 What is useEffect Hook
1:15 useEffect Hook Syntax
2:55 Detailed Definition of useEffect
5:00 Understanding Side Effects with Example
8:05 Why Fetching Data is a Side Effect
10:50 Folder Structure for Better Management
12:15 Example 1: Basic useEffect Usage
14:30 Example 2: useEffect with Dependency Array
18:10 Example 3: Advanced useEffect Usage
21:20 Next Video Update
22:00 Outro