Use d3-annotation with built-in annotation types, or extend it to make custom annotations. It is made for d3-v4 in SVG.
d3-annotation is a JavaScript library for creating and customizing annotations in SVG visualizations using D3.js v4. It provides built-in annotation types and allows for extending functionality to create custom annotations, making it ideal for developers and data visualization practitioners who want to add interactive, informative annotations to their charts and graphs.
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