Playing with selection.join

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Playing with selection.join

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Last edited Jul 14, 2021

Created on Jun 23, 2021

A dynamic SVG visualization demonstrates the `selection.join` API in D3 v7, animating a set of letters that changes every three seconds. Random alphabet subsets are generated with `d3.shuffle` and sorted, then mapped to `text` elements whose positions are computed based on their index. New letters enter in green, while existing ones update to gray, showcasing the join’s enter/update behavior. The example runs in a React environment, rendering to an SVG canvas sized to the browser window.

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A bare minimum HTML page demonstrating use of CSS and JavaScript.

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