Loading Data with D3 and React

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Loading Data with D3 and React

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Last edited May 7, 2021

Created on May 6, 2021

This example shows a bar chart of the top 10 most populous countries for 2020, ranked by population, rendered as SVG in a React component. It demonstrates loading external CSV data with `d3.csv` in a React hook, then mapping that data to `scaleBand` and `scaleLinear` axes. Custom React components `AxisX` and `AxisY` programmatically draw ticks and labels using D3's scale methods, while bars are plain `<rect>` elements sized by the scales. The data originates from a UN population dataset hosted on GitHub.

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Smiley face implementation with React.

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