Fork of D3 Selections

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Fork of D3 Selections

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Last edited Oct 20, 2022

Created on Oct 20, 2022

Two animated SVG panels show concentric circles whose radii and vertical positions pulse according to sine and cosine functions. Each frame shifts a time parameter, and the number of circles oscillates between 15 and 25. The example demonstrates D3’s data join pattern using `selection.selectAll`, `.data`, and `.join` within a `setInterval` animation loop. The code imports `select` and `range` from D3 v6 and renders the same visualization with black and white fills against contrasting backgrounds.

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