loading and parsing CSV data

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loading and parsing CSV data

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Last edited Feb 3, 2022

Created on Feb 2, 2022

This example demonstrates the initial step of working with external data in a web visualization: fetching and logging raw CSV content. It uses the browser’s native `fetch` API to asynchronously retrieve a text file from a GitHub gist URL, then parses the response with `response.text()`. The result is printed to the browser console via `console.log`, showing the raw comma-separated data as a string. No parsing library like d3.csv or PapaParse is involved, and no visual output is rendered—only the raw text is exposed for inspection. The approach relies on plain JavaScript and a local async function, `fetchText`, to handle the request.

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

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