Loading and Parsing CSV Data

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Loading and Parsing CSV Data

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Last edited Nov 1, 2021

Created on Nov 1, 2021

This example demonstrates how to load and analyze a CSV file from a remote URL. It displays the file size in kilobytes, the row count, and the column count for a dataset of CSS named colors. The implementation uses D3’s `d3.csv` method to fetch and parse the data, then computes and renders the statistics using `d3.csvFormat` and the parsed array’s `columns` property. The output is presented as large text in a `<pre>` element, with alternative commented approaches showing `fetch` with `async`/`await` and `d3.csvParse`.

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A program to load and parse CSV data

MIT Licensed

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