3. Face Part III using React & D3
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A React and D3.js (v6) application renders a smiley face as an SVG graphic. The code imports the `arc` function from the `d3` library to construct the mouth, using `innerRadius`, `outerRadius`, `startAngle`, and `endAngle`. The face is drawn with three circles (the head and two eyes) positioned relative to computed center coordinates, and a path element applies the arc. React's `ReactDOM.render` outputs the composed `<svg>` to the DOM.
AI-generated descriptionSmiley face implementation with React & D3.
MIT Licensed