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Froots - General Update Pattern

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AAndrew Fletcher
Last edited Jan 15, 2020
Created on Jan 13, 2020

This example demonstrates the general update pattern in D3 by animating a row of fruit circles that change over time. It shows how selections handle entering, updating, and exiting elements: an apple disappears, then an apple transforms into a lemon. The visualization uses `d3.selectAll('circle')` with `.data()`, `.enter()`, `.merge()`, and `.exit()` to manage SVG circles. Separate ordinal scales map fruit types to circle colors and radii. The code imports `scaleOrdinal` from `d3` and drives changes with `setTimeout` in a module-based D3 v5 setup.

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