Animated Bar Chart with D3.js and React
Learn the underlying concepts and how to plot charts with D3.js and React
Published in
9 min readJan 28, 2024
In the previous article, we discussed the core concepts of D3.js and how to work with its API to create data-driven elements. In this article, I will be demonstrating the concepts behind plotting an animated bar chart with D3.js and code example in a React-based web app.
TL;DR:
- Break the chart down into individual components: the container, axes, and bars.
- Use SVG and D3.js to draw these components.
- Render them in the DOM using a React callback ref.
Charting with D3 Is Like Building LEGO
When plotting a chart with D3.js, you work with various independent components — much like LEGO bricks. You construct components separately and then assemble them together to create the final chart. This concept applies to all types of charts.
Let’s consider the example of a bar chart. We can break it down into several components.
