moving bars

https://cdnjs.cloudflare.com/ajax/libs/d3/4.6.0/d3.js

https://cdnjs.cloudflare.com/ajax/libs/p5.js/0.5.7/p5.min.js

https://cdnjs.cloudflare.com/ajax/libs/p5.js/0.5.7/addons/p5.dom.min.js