Loading and Parsing CSV Data

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Loading and Parsing CSV Data

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Last edited Oct 20, 2021

Created on Oct 18, 2021

This example demonstrates how to load and parse CSV data from a remote URL using the Fetch API and D3 v7’s `d3.csvParse` method. It displays a summary message in the browser showing the number of rows, columns, and file size in kilobytes. The code uses an asynchronous `getData` function to fetch the text from a GitHub gist containing CSS named colors, then parses it and updates the page’s `#content` element with the results. The visualization is purely text-based, with no graphical rendering.

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A Program that loads and parses csv data

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