D3 Selection Exploration

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D3 Selection Exploration

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Last edited Jul 19, 2023

Created on Jul 19, 2023

This example demonstrates D3’s selection and data-join mechanics by continuously generating a changing set of circles. A `setInterval` updates the data array, whose length and positions vary with a sine wave, and the `svg.selectAll('circle').data(data).join('circle')` pattern creates or removes circles to match. The code uses D3 v7’s `select` and `range` functions, renders as an SVG animation, and updates element attributes (`cx`, `cy`, `r`) every 10 milliseconds.

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D3 Selection Exploration

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