Loading and Parsing CSV Data

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Loading and Parsing CSV Data

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Last edited Mar 16, 2021

Created on Mar 15, 2021

This example demonstrates the simplest way to load and parse a CSV file in the browser using D3.js. It fetches a remote CSV containing CSS named colors, then displays the file size, row count, and column count in large text on the page. The code uses the native `fetch` API alongside `d3.csv` and `d3.csvFormat` to inspect the parsed dataset, revealing the structure of the data without rendering any charts. The result is a purely textual summary of the CSV’s dimensions.

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A bare minimum HTML page demonstrating use of CSS and JavaScript.

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