Loading and parsing csv data

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Loading and parsing csv data

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Last edited Mar 7, 2022

Created on Mar 7, 2022

This example demonstrates the fundamental first step of working with external data in D3: fetching a CSV file from a GitHub gist and parsing it into JavaScript objects. The code uses the modern Fetch API to retrieve the text content, then applies `d3.csvParse` to convert the raw string into an array of typed data objects. Although the parsed result is not yet visualized, the example clearly shows the pipeline of loading and structuring data that subsequent visualization code will consume. The implementation relies on D3 v7 and async/await syntax for clean asynchronous handling.

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

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