General Update Pattern (Hovering Events)

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General Update Pattern (Hovering Events)

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Last edited Dec 22, 2023

Created on Dec 22, 2023

Forked from General Update Pattern (Click Events)

This example demonstrates the general update pattern in D3, where a sequence of timed data mutations—removing, replacing, and filtering fruits—animates circles smoothly in and out of an SVG. Hovering a circle selects it, triggering a black outline via a `mouseover` and `mouseout` event handler that updates a `selectedFruit` variable. The code uses `d3.select`, `scaleOrdinal` for colors and radii, and chained `transition().duration()` calls to animate enter, update, and exit selections. The fruit bowl renders as red apples and yellow lemons on a fixed-height SVG canvas.

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General Update Patterns where we explore hovering events

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