This is a follow on from the simple d3.js graph used as an example in the book D3 Tips and Tricks.
It is aimed at exploring some features of d3.js 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: d3.js Graph with many features
Modified http://d3js.org/d3.v3.min.js to a secure url
https://d3js.org/d3.v3.min.js