D3.js Data Visualization Skill What is D3.js D3.js (Data-Driven Documents) is a JavaScript library for producing dynamic, interactive data visualizations in web browsers. It uses HTML, SVG, and CSS standards to bind data to the DOM and apply data-driven transformations. When to Use D3.js Choose D3.js when you need: - Custom, unique visualizations not available in chart libraries - Fine-grained control over every visual element - Complex interactions and animations - Data-driven DOM manipulation beyond just charts - Performance with large datasets (when using Canvas) - Web standards-based visu…