D3.js is a JavaScript library for manipulating documents based on data. D3 helps you bring data to life using HTML, SVG and CSS. d3’s emphasis on web standards gives you the full capabilities of modern browsers without tying yourself to a proprietary framework, combining powerful visualization components and a data-driven approach to DOM manipulation.
If you have already seen the basics, then it's time to dive into the code. Let's talk a stroll through d3 and understand what exactly is happening under the hood. Let's go!
Start here. Savor the code.