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Last edited May 17, 2021

Created on May 17, 2021

This example shows a collapsible tree diagram of a small hierarchical dataset with four labeled nodes. Users can click nodes to expand or collapse their children, triggering smooth animated transitions of the SVG links and circles. The code uses `d3.hierarchy`, `d3.tree`, and `d3.selectAll` with transition methods to update node positions and draw curved diagonal paths. Node and link styling is applied via CSS classes, with collapsed nodes rendered in lightsteelblue.

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An example showing the capabilities of VizHub:

Loads D3 via UNPKG.
Demonstrates use of import from "d3".
Demonstrates use of import from local ES6 modules.

MIT Licensed

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