Summary  
This chapter explains how React elements serve as immutable descriptions of user interfaces—created via JSX or React APIs—and how they are rendered into the DOM using React’s rendering functions.

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.

React Elements and Rendering