Loading and parsing CSV data

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Loading and parsing CSV data

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Last edited Apr 23, 2021

Created on Apr 22, 2021

This example demonstrates the basics of loading and parsing CSV data with D3.js. It displays a summary message showing the number of rows, columns, and file size in kilobytes of a remote CSV file containing CSS named colours. The code uses `d3.csv()` to fetch and parse the data asynchronously, then accesses the resulting object’s `length` and `columns` properties to create the summary. The parsed data is formatted back with `d3.csvFormat()` to calculate the file size, and the message is rendered in a large `<pre>` element.

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A program that loads and parses CSV data.

MIT Licensed

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