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[separate SVG boxes ] Update speed based on number of SVG elements in viewBox

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ZZJONSSON
Last edited Oct 14, 2011
Created on Oct 14, 2011

Two adjacent SVG boxes animate the movement of a red rectangle while displaying a live frame-rate counter. The performance benchmark is controlled through dropdown menus and a checkbox, allowing the user to adjust the number of green circles rendered inside the second viewBox and toggle whether they remain within it. The example uses d3.js selectors and data binding to update circle positions dynamically, while a setInterval timer drives the rectangle’s movement and calculates frames per second from timestamp differences.

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