Loading and parcing CSV Data

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Loading and parcing CSV Data

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Last edited Apr 15, 2021

Created on Apr 14, 2021

This example demonstrates loading and parsing CSV data, displaying the row count, column count, and approximate file size in a large `<pre>` element. It fetches a remote CSV file containing CSS named colors using the Fetch API, then parses the text with `d3.csvParse`. The parsed dataset’s `length` and `columns` properties drive the summary message, while `text.length` calculates the kilobyte size. The code uses D3 v6 and async/await syntax inside a `fetchText` helper to handle the network request.

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

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