Laodaing and parsing CSV data

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Laodaing and parsing CSV data

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Last edited May 22, 2022

Created on May 22, 2022

This example demonstrates how to load and parse a CSV file using D3 v5’s `d3.csv` method, fetching a remote dataset of named CSS colors from a GitHub gist. The visualization shows computed summary statistics—file size in kilobytes, row count, and column count—displayed in large text within a `<pre>` element. The code relies on `d3.csv` for asynchronous data loading and parsing, `d3.csvFormat` to measure the data’s string length, and `data.columns` to report the number of columns. No chart is drawn; the focus is purely on the parsing pipeline and metadata output.

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