D3 Selections

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Last edited Jul 22, 2021

Created on Jul 21, 2021

Forked from Arrays

Two hundred blue circles form a sine wave that continuously animates across the screen, with each circle’s vertical position shifting based on a time-driven formula. The visualization demonstrates D3’s data join pattern using `selectAll`, `data`, and the `.join()` API to efficiently update existing SVG circle elements rather than recreating them. The example runs in a React framework with SVG rendering, updating every 16 milliseconds via a JavaScript `setInterval` timer, and pulls data from a procedurally generated range of 200 points.

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

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