This example shows a static smiley face constructed from SVG circles and a mouth arc using D3.js’s `arc` generator within a React application. The face’s eyebrows are drawn as two black circles positioned above the eyes, though no animation is present in the code. The rendering uses React elements for the SVG shapes, with D3 v5 providing the `arc` path for the mouth. The page loads React and D3 from CDNs, and the entire graphic is centered in a 960×500 viewport. The code demonstrates fundamental DOM manipulation by mixing React’s declarative JSX with D3’s geometry utilities.