The abbreviation D3 references the tool’s full name, Data-Driven Documents. The data is provided by you, and the documents are web-based documents, meaning anything that can be rendered by a web browser, such as HTML and SVG. D3 does the driving, in the sense that it connects the data to the documents.
Of course, the name also functions as a clever allusion to the network of technologies underlying the tool itself: the W3, or World Wide Web, or, today, simply “the web.”
D3 is released under a BSD license, so you may use, modify, and adapt the code for noncommercial or commercial use at no cost.
D3’s official home on the Web is d3js.org.
Fundamentally, D3 is an elegant piece of software that facilitates generation and manipulation of web documents with data. It does this by:
Loading data into the browser’s memory
Binding data to elements within the document, creating new elements as needed
Transforming those elements by interpreting each element’s bound datum and setting its visual properties accordingly
Transitioning elements between states in response to user input
Learning to use D3 is simply a process of learning its syntax, so you ...