{"version":"1.0","type":"rich","title":"Let's make a face with D3.js!","description":"This example demonstrates fundamental D3.js DOM manipulation by building a smiley face from circles whose eyebrows shift. It shows how the data-join pattern works step by step: first, five red apples are appended as circles using `selectAll`, `data`, and `enter`, then the array is mutated and re-joined to reveal how `exit` selects and recolors removed elements. The code uses D3 v5’s `select`, `range`, and the SVG coordinate system, rendering into an inline SVG canvas. It provides a hands-on introduction to enter, update, and exit selections without any real dataset.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/61b52cc91b0844b7980824abd67d040e?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}