Tree Example

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Last edited Mar 6, 2023

Created on Mar 1, 2023

An interactive collapsible tree diagram displays hierarchical data from a hardcoded JavaScript array, with a single root node ("seat") branching into five child nodes. The visualization, built with the D3.js library (version 3.5.17) and rendered as SVG, uses animated transitions to redraw nodes and links when a node is clicked, expanding or collapsing its children. The tree layout algorithm (d3.layout.tree) positions nodes vertically by depth, while d3.svg.diagonal draws the curved links between parent and child nodes.

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A bare minimum HTML page demonstrating use of CSS and JavaScript.

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