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Loading and Parsing CSV data

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Yyeeet0421
Last edited Sep 20, 2022
Created on Sep 19, 2022
Forked from HTML Starter

This example demonstrates the basic workflow of loading and parsing external CSV data with D3.js. It fetches a CSS color dataset from a GitHub-hosted CSV file and displays the file’s size in kilobytes, row count, and column count in a large monospace `<pre>` element. The implementation uses the `d3.csv` method with a promise to parse the remote file, then accesses `data.length`, `data.columns`, and `d3.csvFormat(data)` to compute the summary statistics. An alternative approach using the Fetch API and `d3.csvParse` is commented out in the source.

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loads and parses csv data

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