Building Your First React Components

Describe the roles of Node.js, npm, and Vite in a modern React development environment.

Write JSX to define component UIs and explain how it differs from HTML.

Create functional components and compose them into a component tree.

Pass data from parent to child components using props.

Render lists of data by mapping over arrays and assigning unique keys.

Apply conditional rendering using ternary operators and logical &&.

Handle user events such as clicks, input changes, and form submissions.