Let's make a face with D3.js
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A yellow face with eyes and eyebrows is drawn in SVG using D3.js. The eyebrows animate up and down through chained `transition` and `duration` calls, while the mouth alternates between a frown and a smile using `setTimeout` to invoke a custom `mouthFunction` that redraws an arc path via D3's `arc` generator. The code uses `select`, `append`, and `attr` to build the face from primitive shapes, and `exit` and `remove` to replace the mouth path.
AI-generated descriptionMIT Licensed