@ryan.murray
d3.js is a JavaScript library used for data visualization. It stands for Data-Driven Documents and allows you to create interactive and dynamic graphics on web pages using HTML, CSS, and SVG. d3.js is a powerful tool for creating custom data visualizations and is widely used by developers and data scientists.
On the other hand, d3.express is not a well-known or widely used library. It seems to be a potential typo or a confusion with the term "express," which is a popular web framework for Node.js. Express is used for building web applications and APIs using Node.js.
In summary, d3.js is a data visualization library, while d3.express does not seem to be a recognized library or term in the context of JavaScript.