refactoring the sin animation

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refactoring the sin animation

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Last edited Feb 9, 2022

Created on Feb 9, 2022

Fifteen animated circles move in a sinusoidal wave across an SVG canvas, with each circle’s vertical position and radius oscillating over time. The animation runs on a 60 FPS interval, updating data from `makeData` and rendering via D3’s `selectAll().data().join()` pattern. D3 v7 and React manage the state and DOM updates, creating a rhythmic, pulsing visual pattern.

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

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