JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://code.jquery.com/jquery-1.12.2.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/Chart.js/2.1.6/Chart.bundle.js"></script>
<body>
    <h3>Working Chart</h3>
    <canvas id="canvas" height="450" width="600"></canvas>
</body>

JavaScript

var config = getConfig();
var context = document.getElementById("canvas").getContext("2d");
var combined = new Chart(context, config);

function getConfig() {
	var labelMeasure = "Measure";
  var labelInsulin = "Insulin";
  
  var config = {
  	type: "bar",
    data: {
    	labels: [ "08:00", "09:00", "10:00", "11:00", "12:00" ],
      datasets:[{
      	type: "line",
			  label: labelMeasure,	
			  lineTension: 0,
		    backgroundColor: "#4078A7",
		    borderCapStyle: "butt",
		    borderJoinStyle: "miter",
		    borderColor: "#4078A7",
		    pointRadius: 5,
		    pointBorderColor: "#4078A7",
		    pointBackgroundColor: "#FFFFFF",
		    pointBorderWidth: 3,
		    pointHoverRadius: 5,
		    pointHoverBackgroundColor: "#FFFFFF",
		    pointHoverBorderWidth: 3,
		    pointHitRadius: 5,
		    data: [{
        	x: "08:00",
          y: "110"
        }, {
        	x: "09:00",
          y: "120"
        }, {
        	x: "10:00",
          y: "130"
        }, {
        	x: "11:00",
          y: "140"
        }, {
        	x: "12:00",
          y: "150"
        }],
		    yAxisID : "y-axis-0",
		    fill: false
      }, {
        type: "bar",
			  label: labelInsulin,
			  backgroundColor: "#239471",
		    borderCapStyle: "butt",
		    borderJoinStyle: "miter",
		    borderColor: "#239471",
		    data: [
        	"30", "35", "40", "45", "50"
        ],
		    yAxisID : "y-axis-1"
      }]
    },
    options: {
    	responsive: true,
      title: {
      	display: false
      },
      legend: {
      	position: "bottom"
      },
      scales: {
      xAxes: [{
	    	position: "bottom",
	      type: "time",
	      time: {
	      	unit: "hour",
	        format: "HH:mm",
	        tooltipFormat: "HH:mm",
	        displayFormats: {
	        	hour: "HH:mm",
	          day: "HH:mm",
	          week: "HH:mm",
	          month: "HH:mm",
	          quarter: "HH:mm",
	          year: "HH:mm"
	        }
	      },
	      gridLines : {
	      	display : false
	      }
	    }],
	   ...