Loading and Parsing CSV data

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Loading and Parsing CSV data

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Last edited Apr 19, 2022

Created on Apr 19, 2022

This example demonstrates loading and parsing a CSV file from a remote URL, displaying the file size in kilobytes, the number of data rows, and the number of columns in a large text preformatted element. It uses D3 v7's `d3.csv` method to fetch and parse the data asynchronously, then calculates the formatted output length using `d3.csvFormat`. The data source is a GitHub gist containing mobile download statistics. The example also includes commented-out alternatives using `fetch`, `async`/`await`, and `d3.csvParse` for comparison.

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

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