[Intro]

[Background Music: Friendly and engaging tone]

Instructor:

"Hey there, and welcome to a brand-new module! So far, we’ve explored state, props, event handling, and form management in React. Now, let’s dive into something crucial—React Lifecycle Methods.

By the end of this lesson, you’ll understand:

• What lifecycle methods are and how they work in class components.
• The key lifecycle methods: componentDidMount, componentDidUpdate, and componentWillUnmount.
• When and why to use these methods in React (especially in older class-based components).

Let’s get started!"

1. What Are Lifecycle Methods in React?

Instructor:

"In React, components go through different phases during their lifetime. These phases include:

1. Mounting – When a component is first added to the DOM.
2. Updating – When a component re-renders due to state or prop changes.
3. Unmounting – When a component is removed from the DOM.

Lifecycle methods allow us to hook into these phases and execute code at specific moments."

Real-Life Analogy:

"Think of React components like a houseplant: