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Interaction With Unidirectional Data Flow - Click

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Ccarlos157oliveira
Last edited Aug 9, 2019
Created on Aug 9, 2019

Fruit circles animate between orange and lemon varieties while responding to clicks that select a fruit with a blue stroke. The visualization demonstrates unidirectional data flow: click events call `setSelectedId`, which updates `selectedId` and re-renders the entire scene via `fruitBowl`. D3 v5's data join, `transition`, and ordinal scales (`scaleOrdinal`) handle SVG circle updates, while timed `splice` and `pop` operations mutate the `fruits` array to trigger enter, update, and exit transitions over four seconds.

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