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Let's make a face with D3.js!

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吴吴昊
Last edited Apr 8, 2019
Created on Apr 8, 2019

This example builds a world map from TopoJSON data using D3 v5 and the geoMercator projection, rendering country boundaries as SVG paths via `d3.geoPath`. It loads the world-atlas 110m dataset, extracts country features with TopoJSON’s `feature` method, and appends each path to an SVG. The code demonstrates basic data join and shape generation, creating a static geographic visualization that reveals country outlines on a blank canvas. No interactivity or animation is present, focusing solely on spatial encoding through projection and path construction.

AI-generated description

Demonstrates fundamental DOM manipulation using D3.js by making a smiley face whose eyebrows move.

MIT Licensed

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