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D3 often googled
polygon = [
[80, 220],
[80, -220],
[-50, -220],
[-80, 220]
]
d3.polygonContains(polygon,[80,220])
d3.polygonContains(polygon,[79,219])
d3 = require('d3')
Purpose-built for displays of data
Observable is your go-to platform for exploring data and creating expressive data visualizations. Use reactive JavaScript notebooks for prototyping and a collaborative canvas for visual data exploration and dashboard creation.
