Loading and Parsing CSV data

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Loading and Parsing CSV data

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Last edited Jul 24, 2023

Created on Jul 7, 2023

This example demonstrates the fundamentals of loading and parsing tabular data with D3 v7. It fetches a remote CSV file containing CSS named colors and displays the dataset’s size in the browser: row count, column count, and formatted size in kilobytes. The main approach uses the asynchronous `d3.csv` method to fetch and parse the file, then `d3.csvFormat` calculates the text length for the size estimate. The result is rendered as large text inside a `<pre>` element. Commented-out code shows alternative techniques using `fetch` with `d3.csvParse` and manual text handling.

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A program to load and parse csv data

MIT Licensed

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