Ep23 Bar Chart ReactD3 Refactor

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Ep23 Bar Chart ReactD3 Refactor

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Last edited Apr 8, 2021

Created on Apr 8, 2021

This example shows a horizontal bar chart of the top 10 countries by 2020 population, rendered as SVG elements in a React component. The chart uses D3 scales (`scaleBand` and `scaleLinear`) to map country names and population values to pixel coordinates, while React components (`AxisBottom`, `AxisLeft`, `Marks`) handle the rendering of axes and bars. Data is loaded asynchronously from a CSV file using D3’s `csv` method. The code demonstrates a refactored pattern where D3 handles scales and data loading, while React manages the DOM updates.

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

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