The document provides an introduction to React, a JavaScript library for building user interfaces. It discusses how React allows building user interface components in a modular way using JSX syntax. Components can receive external data as properties and render nested sub-components. Data is passed from parent to child components to avoid tightly coupling components to data models. This allows building reusable components that receive dynamic data as properties rather than being hardcoded with static data.
The document provides an introduction to React, a JavaScript library for building user interfaces. It discusses how React allows building user interface components in a modular way using JSX syntax. Components can receive external data as properties and render nested sub-components. Data is passed from parent to child components to avoid tightly coupling components to data models. This allows building reusable components that receive dynamic data as properties rather than being hardcoded with static data.