Loading and Parsing CSV data

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Loading and Parsing CSV data

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Last edited Apr 25, 2021

Created on Apr 25, 2021

This example demonstrates how to load and parse CSV data using two approaches: the `d3.csv` method for direct fetching and parsing, and a manual `fetch` with `d3.csvParse` for text-based parsing. It displays the data size in kilobytes, row count, and column count for a CSS named colors dataset sourced from a GitHub gist. The code uses D3 v5’s `d3.csv`, `d3.csvParse`, and `d3.csvFormat` APIs, alongside native `fetch` and async/await, rendering results into a styled `<pre>` element.

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

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