4. Loading Data with React and D3

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4. Loading Data with React and D3

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Last edited Sep 14, 2021

Created on Sep 14, 2021

This example demonstrates how to load and summarize CSV data in a React component using D3. It fetches a remote dataset of CSS named colors via `d3.csv`, stores the result in React state with the `useState` and `useEffect` hooks, and displays a text summary of the file size, row count, and column count. The rendering uses ReactDOM to mount the component, while `d3.csvFormat` calculates the data size in kilobytes. The visualization is purely textual, showing a loading message until the data arrives.

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

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