Chart.js v2 stacked bar chart

by samu_eyes

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/Chart.js/2.1.3/Chart.min.js"></script>
<canvas id="bar-chart" width="600" height="350"></canvas>

JavaScript

// Return with commas in between
  var numberWithCommas = function(x) {
    return x.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
  };

var dataPack1 = [21000, 22000, 26000, 35000, 55000, 55000, 56000, 59000, 60000, 61000, 60100, 62000];
var dataPack2 = [1000, 1200, 1300, 1400, 1060, 2030, 2070, 4000, 4100, 4020, 4030, 4050];
var dates = ["May 1", "May 2", "May 3", "May 4", "May 5", "May 6", 
  				 "May 7", "May 8", "May 9", "May 10", "May 11", "May 12"];

// Chart.defaults.global.elements.rectangle.backgroundColor = '#FF0000';

var bar_ctx = document.getElementById('bar-chart');
var bar_chart = new Chart(bar_ctx, {
    type: 'bar',
    data: {
        labels: dates,
        datasets: [
        {
            label: 'Bowser',
            data: dataPack1,
						backgroundColor: "rgba(55, 160, 225, 0.7)",
						hoverBackgroundColor: "rgba(55, 160, 225, 0.7)",
						hoverBorderWidth: 2,
						hoverBorderColor: 'lightgrey'
        },
        {
            label: 'Mario',
            data: dataPack2,
						backgroundColor: "rgba(225, 58, 55, 0.7)",
						hoverBackgroundColor: "rgba(225, 58, 55, 0.7)",
						hoverBorderWidth: 2,
						hoverBorderColor: 'lightgrey'
        },
        ]
    },
    options: {
     		animation: {
        	duration: 10,
        },
        tooltips: {
					mode: 'label',
          callbacks: {
          label: function(tooltipItem, data) { 
          	return data.datasets[tooltipItem.datasetIndex].label + ": " + numberWithCommas(tooltipItem.yLabel);
          }
          }
         },
        scales: {
          xAxes: [{ 
          	stacked: true, 
            gridLines: { display: false },
            }],
          yAxes: [{ 
          	stacked: true, 
            ticks: {
        			callback: function(value) { return numberWithCommas(value); },
     				}, 
            }],
        }, // scales
        legend: {display: true}
    } // options
   }
);