JSFiddle - React, Tailwind, and code Playground

by yonet3d

JavaScript

var expenses = [{"name":"jim","amount":34,"date":"11/12/2015"},
  {"name":"carl","amount":120.11,"date":"11/12/2015"},
  {"name":"jim","amount":45,"date":"12/01/2015"},
  {"name":"stacy","amount":12.00,"date":"01/04/2016"},
  {"name":"stacy","amount":34.10,"date":"01/04/2016"},
  {"name":"stacy","amount":44.80,"date":"01/05/2016"}
];
console.log('expenses ',expenses);
var expensesByName = d3.nest()
  .key(function(d) { return d.name; })
  .entries(expenses);

console.log('By name ',expensesByName);