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General Update Pattern With Merge Function + Refactoring

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Ccsroysudarshan
Last edited Apr 11, 2020
Created on Apr 11, 2020

This example demonstrates the General Update Pattern with a merge function in D3.js, showing how data changes animate fruit bowls as apples are eaten, replaced with lemons, or removed. A React-like refactoring separates the visualization into a reusable fruitBowl module. Using d3.scaleOrdinal for color and radius mapping, circles transition smoothly via d3.transition, with entering elements scaling from radius 0, updating elements repositioning, and exiting elements shrinking before removal. The SVG rendering and animation showcase D3’s data join, merge, and exit selection techniques in a bare-minimum HTML setup.

AI-generated description

A bare minimum HTML page.

See also React Starter.

MIT Licensed

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