This example demonstrates how VizHub supports modular ES6 development with D3.js. It loads D3 via UNPKG and uses the `select` function from `d3` to set the text content of a div, while pulling a message string from a separate local module. The page renders a single centered “Hello VizHub!” message in large type, showing how to combine CDN-hosted libraries, local CSS, and ES6 module imports in a minimal setup.