conditional (ternary) operator in a return value

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conditional (ternary) operator in a return value

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Last edited Feb 8, 2022

Created on Feb 7, 2022

This example shows a colorful, radial SVG pattern built from CSS named colors loaded from a remote CSV file. Each color is rendered as a thin arc segment radiating from the center, with alternating fills that create a pinwheel effect. The code uses React hooks (`useState`, `useEffect`) to fetch and store the data, then maps it to SVG `<path>` elements using the `d3.arc()` generator. A ternary operator alternates each segment's fill between the color value and black, while `fill-opacity` decreases with index.

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Smiley face implementation with React.

MIT Licensed

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