{"version":"1.0","type":"rich","title":"Hello HTML","description":"A yellow smiley face with animated eyebrows is rendered in SVG. D3.js builds the face by appending circles, rectangles, and an arc path, then uses `transition().attr()` to move the eyebrows up and down in a two-second loop. The animation demonstrates fundamental DOM manipulation with `d3.select` and `d3.arc`.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/16d85221db94452db6c2d3b9fca0db70?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}