Loading and parsing CSV data

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Loading and parsing CSV data

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Last edited May 6, 2022

Created on May 6, 2022

This example demonstrates how to load and parse a CSV file using D3.js, presenting the dataset’s size, row count, and column count as large text on the page. It fetches a CSV of named CSS colors from a GitHub gist via `d3.csv()`, then uses `d3.csvFormat()` to calculate the file size in kilobytes. The code also includes a commented alternative approach using the Fetch API with async/await and `d3.csvParse()` for manual parsing. The interface is minimal, rendering the three computed metrics inside a styled `<pre>` element.

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A loading and parsing CSV data program.

MIT Licensed

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