D3: Setting paragraphs' style conditionally, based on data

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D3: Setting paragraphs' style conditionally, based on data

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Last edited Oct 3, 2020

Created on Oct 3, 2020

Forked from Loading and Parsing CSV Data

This example demonstrates how D3.js can conditionally style paragraphs based on parsed CSV data. Using `d3.csv`, it loads California temperature records and binds each row to a paragraph whose text states “I can count up to [year].” The `.style()` method applies a color function that turns the text red when the temperature value exceeds 55, otherwise black. The visualization highlights threshold-based styling with D3’s data join, showing how data-driven decisions directly influence visual output. The code relies on D3 v6 and fetches data from a remote GitHub-hosted CSV file.

AI-generated description

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

MIT Licensed

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