D3.js in Jekyll test post

My objectives for D3.js is to demonstrate useful graphs for baseline study and better visualisation on reporting. Currently I am targeting on line graphs, bar graphs, pie charts, scatterplots and sankey diagram.


Noteworthy

The code changes in tree layout for version 5 and version 3 is at follow:-

---
Version 5:
var data= { };
---
---
Version 3: 
var data = [{ }];
---