useEffect() Hook in React.js: Side Effects, Lifecycle and Prevent Memory Leaks (Tutorial #13)
Learn the `useEffect()` Hook in React.js: In this in-depth tutorial, you'll discover everything you need to know about the useEffect() hook in React.js. We'll cover its essential concepts, practical usage, and best practices.
In this tutorial, you'll learn:
How to effectively use the `useEffect()` Hook to manage side effects in your React components.
The importance of dependencies in `useEffect()` and how they control when the effect runs.
How to replicate lifecycle methods like `componentDidMount()`, `componentDidUpdate()`, and `componentWillUnmount()` using `useEffect()`.
Common examples of memory leaks in React applications and how to prevent them.
By the end of this video, you'll have a solid understanding of how to manage side effects in your React apps using the `useEffect()` Hook, making your components more efficient and reliable.
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Timestamps:
00:00 - Introduction
01:41 - What is `useEffect()` in React.js?
02:34 - Usage of the `useEffect()` Hook
05:00 - `useEffect()` dependency
08:38 - Replicating the behavior of `componentDidMount()` and `componentDidUpdate()` lifecycle methods
11:41 - Replicating the behavior of `componentWillUnmount()` lifecycle method
13:56 - Examples of memory leaks and their solutions
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