Loading and Parsing CSV Data

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Loading and Parsing CSV Data

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Last edited Sep 15, 2023

Created on Sep 15, 2023

This example demonstrates how to load and parse CSV data using D3 v5. It fetches a remote CSV file containing named CSS colors and displays three summary statistics: the file size in kilobytes, the number of rows, and the number of columns. The primary implementation uses d3.csv with a Promise, while commented-out code shows an alternative approach using fetch, async/await, and d3.csvParse. The parsed data is rendered as plain text inside a pre element, with results formatted using d3.csvFormat to calculate the data length.

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A bare minimum HTML page.

MIT Licensed

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