This example demonstrates a minimal starter template that combines React 19 with D3.js 7 to render a dynamic text message. It shows the integration of React's `useRef` and `useEffect` hooks with D3's `select` function to update a DOM element, displaying "Hello D3 & React" with a fade-in animation on a gradient background. The project uses ES modules via an import map, loading React, React DOM, and D3 from a CDN to create a responsive, modern web application.