# React (React)

The library Next.js uses to build screens out of reusable pieces called components, such as buttons, cards and forms.

**Example:** For example, when a user ticks a to-do item, React updates the screen immediately without reloading the whole page.


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Source: [Agentic Makers](https://agenticmakers.app/en/glossary/react) · License: CC BY 4.0