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Next.js 15 Fullstack Web Apps · Lesson

Props and Component Communication

Master passing data between parent and child components using props for flexible UI.

Intro to Component Props

In React, props (short for properties) are how you pass data from a parent component down to a child component.

Think of them like arguments to a function. They allow you to make your components reusable and dynamic, displaying different information based on the data they receive.

Unidirectional Data Flow

One of the core principles of React is unidirectional data flow. This means data always moves in one direction: from parent to child.

  • Parent components own and manage data.
  • They pass this data down to their children using props.
  • Child components receive props and render content based on them.
  • Children cannot directly modify the props they receive; props are read-only.

All lessons in this course

  1. React Components and JSX
  2. State Management with Hooks
  3. Props and Component Communication
  4. Rendering Lists, Keys, and Conditional UI
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