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Debounced slider

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Aanqi-lu
Last edited Nov 7, 2017
Created on Nov 7, 2017

Two parallel sliders demonstrate the visual difference between immediate and debounced drag updates. The gray slider updates a year-range caption on every pointer movement, while the red slider applies a 200-millisecond delay via `d3.drag` and a custom `delayedUpdatePlot` callback. Both use `d3.scaleTime` with a domain from 1997 to 2016, rendered as SVG rectangles and an axis. The example highlights how debouncing reduces update frequency during continuous interaction, using D3 v4’s event handling.

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