Loading and Parsing CSV Data

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Loading and Parsing CSV Data

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Last edited Sep 13, 2021

Created on Sep 13, 2021

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This example demonstrates how to load and parse CSV data using D3 v5 and the Fetch API. It displays the file size, row count, and column count of a CSS Named Colors dataset from a GitHub gist. The code uses `d3.csv` with a Promise to fetch and parse the data, then formats a summary message with `d3.csvFormat`. An alternative commented-out approach uses `fetch`, `async/await`, and `d3.csvParse`. The result appears as large text in a `<pre>` element.

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A program that loads and parses some CSV data: CSS Named Colors.

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