Props, State, & Event Handling
Master how to pass data, manage internal state, and handle user interactions effectively within your components.
Data Flow in Components
Components are the building blocks of UIs. To make them dynamic and interactive, we need ways for them to receive data, manage their own internal information, and react to user actions.
This lesson explores three fundamental concepts: Props, State, and Event Handling. Mastering these allows you to create truly reusable and responsive UI components.
Props: Component Inputs
Props (short for "properties") are how components receive data from their parent components. Think of them like arguments you pass to a function.
- They are immutable: a component should never modify its own props.
- They enable parent-to-child communication.
- They make components reusable by allowing different data inputs.
All lessons in this course
- Stateless vs. Stateful Components
- Props, State, & Event Handling
- Accessibility (a11y) Best Practices
- Composition and the Children Pattern