d3dataMechanism

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d3dataMechanism

✓ Published1🌍 Public

Last edited Aug 13, 2022

Created on Sep 22, 2021

Rendering a fruit bowl as animated SVG circles and labels, this example demonstrates how D3's data join and exit selections handle dynamic updates. Five apples appear, then one is removed, another turns into a lemon, and a different fruit disappears, with all transitions driven by `transition().duration()` over 1000 milliseconds. The code uses `d3.scaleOrdinal` for color and radius mapping, while mouseover and mouseout events update a selected fruit's stroke outline. Data mutations trigger `render()` calls, which rebuild the visualization from the current array state.

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