Loading and Parsing CSV Data

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Loading and Parsing CSV Data

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Last edited Jan 14, 2022

Created on Jan 14, 2022

This example demonstrates how to load and parse CSV data using D3 v7, showing the file size, row count, and column count of a remote dataset containing CSS named colors. The page fetches a CSV file from a GitHub gist via the `d3.csv` method, which returns a promise that resolves to an array of parsed objects. The code then uses `d3.csvFormat` and the array’s `length` and `columns` properties to generate a summary message displayed in a large `<pre>` element. Alternative commented-out approaches using `fetch`, `async/await`, and `d3.csvParse` are also included.

AI-generated description

A program that loads and parses some CSV data.

MIT Licensed

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