Fork of D3-1: Making a face

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Fork of D3-1: Making a face

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Last edited Jan 9, 2023

Created on Jan 9, 2023

This example animates a simple face by repeatedly redrawing a set of circles, whose vertical positions are derived from a sine wave, to create a wavy, shifting expression. The visualization uses the D3 v7 library with a selection-based API (`d3.select`, `d3.range`) to build an SVG scene of circles at fixed horizontal intervals inside a dynamically sized viewport. The animation is driven by a JavaScript `setInterval` timer that updates the circle data every second, a time counter `t` shifting the sine-based y-coordinates, and uses D3’s `.enter()` to append circles that persist across frames.

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