Smiley
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A smiling face is rendered as a static SVG figure, with a purple circular head, two eyes, and a curved mouth drawn using a D3 arc path. The eyebrows, created as rectangles, animate up and down in a repeating sequence via chained `transition.attr` calls. The visualization uses D3 v5's `select`, `arc`, and SVG element creation, with all coordinates computed relative to the viewport’s center.
AI-generated descriptionMIT Licensed