Untitled

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Last edited Nov 25, 2022

Created on Nov 25, 2022

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This example displays a map of Kazakhstan using D3 v7, with provinces rendered as SVG paths via a TopoJSON data source. On mouse movement over a province, the code updates a tooltip div’s position and content, displaying the province name, while changing the province’s fill color through a CSS hover rule. The tooltip is shown by removing a hidden class and repositioned based on the event coordinates, then hidden again on mouse out. The map projection is created with d3.geoAlbers and rendered through d3.geoPath.

AI-generated description

An example showing hovering on a map:

Loads d3v7 via UNPKG.
Loads map of Canada
On mouse move :
- shows a div by modifying its css properties
- modifies the content and position of a div (the tooltip)
- changes the css class of the state to change its color
On mouse out :
- hides the tooltip div

MIT Licensed

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