Loading and Parsing CSV Data

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Loading and Parsing CSV Data

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Last edited Jul 18, 2021

Created on Jul 12, 2021

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This example demonstrates how to load and parse CSV data using D3 v5 and the Fetch API, displaying file size, row count, and column count in a large text element. It fetches a CSV file of HTML color names from a GitHub gist, then parses the text with `d3.csvParse` to extract the data structure. The visualization is minimal—just a `pre` element showing summary statistics—but the code also includes commented alternatives using `d3.csv` and a "pyramid of doom" fetch pattern for comparison. It highlights modern async/await syntax for data loading in a React context.

AI-generated description

A program that loads and parses some CSV data: CSS Named Colors.

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