Loading and Parcing CSV Data

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Loading and Parcing CSV Data

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Last edited Feb 22, 2022

Created on Feb 21, 2022

This example demonstrates how to load and parse CSV data in D3.js, displaying the file size, row count, and column count as large text. It uses the `d3.csv` method to fetch and parse a remote CSV file containing CSS named colors, then formats the result with `d3.csvFormat` to calculate its size in kilobytes. A second, redundant approach fetches the same file with the Fetch API and parses the text using `d3.csvParse`. The page relies on D3 v7 and updates a `<pre>` element with the computed statistics.

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