{"version":"1.0","type":"rich","title":"D3.js Training","description":"This example demonstrates the VizHub V3 runtime environment’s “Hello World” starting point, rendering a centered text message directly into a DOM container. The `main` function sets `container.innerHTML` with a styled `div`, using a fixed `fontSize` value that can be interactively adjusted via Alt-drag in the editor. No external visualization libraries are used; the code relies solely on vanilla JavaScript and inline CSS to display the text “D3 training FreeCodeCamp.org”.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/1e5b1dfe03fd4444a69ca792e3f40c37?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}