Summary  
Functional components are pure functions that receive input data (props) and return UI elements, promoting declarable, reusable, and testable code. They enable state and side-effect management through hooks without using classes.

General domain of usage  
Front-end web development

Master the core concepts of React (v19+), focusing exclusively on functional components, hooks, and modern best practices. Learn to build interactive and dynamic web applications using the latest React features.

Get acquainted with React's philosophy, its component-based approach, and the role of JSX in building user interfaces.

Dive into the heart of React by learning how to create, structure, and compose functional components.

Master the mechanisms for passing data and managing dynamic content within React applications using hooks.

Learn how to respond to user interactions and update the UI in real time using functional components.

Explore how React manages component lifecycles using hooks and how to write maintainable, scalable code.

Functional Components