Data fetch

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Last edited Oct 28, 2021

Created on Oct 28, 2021

This example fetches a CSV file containing CSS named colors and displays a short summary of its size and structure in large text. It reports the number of rows, the number of columns, and the file’s size in kilobytes after formatting the data with `d3.csvFormat`. The visualization uses `fetch` and `response.text()` to retrieve the raw data, then `d3.csv` to parse it into an array of objects. The final message is written into a `<pre>` element using the DOM API, with styles applied via CSS.

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

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