This is a simple d3.js graph used as an example in the book D3 Tips and Tricks.
It is aimed at providing some exposure to some d3.js functions and should be taken in context with the text of the book which can be downloaded for free from Leanpub.
forked from d3noob's block: Simple d3.js Graph
Modified http://d3js.org/d3.v3.min.js to a secure url
https://d3js.org/d3.v3.min.js