Loading and Parsing CSV data

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Loading and Parsing CSV data

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Last edited Jul 13, 2021

Created on Jul 12, 2021

This example demonstrates the basic workflow of loading and parsing a CSV file with D3.js, displaying the data’s size, row count, and column count in a large text element. It uses `d3.csv` to fetch a remote CSV of CSS named colors from a GitHub gist, then computes the formatted string’s kilobyte size with `d3.csvFormat` and `Math.round`. The page also includes commented-out alternatives using `d3.csvParse` with `fetch` and async/await, though only the primary `d3.csv` promise-based method runs.

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Loading and Parsing CSV data

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