ChartJS Line Chart

Multiple Line Chart

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/Chart.js/2.7.2/Chart.js"></script>
<body>
    <canvas id="chartJSContainer" width="600" height="400"></canvas>
    <div id="time">(time)</div>
</body>

CSS

canvas { background-color : #eee;
}

JavaScript

var options = {
  type: 'line',
  data: {
    labels: ["Red", "Blue", "Yellow", "Green", "Purple", "Orange"],
    datasets: [
	    {
	      label: '# of Votes',
	      data: [12, 19, 3, 5, 2, 3],
      	borderWidth: 1
    	},	
			{
				label: '# of Points',
				data: [7, 11, 5, 8, 3, 7],
				borderWidth: 1
			}
		]
  },
  options: {
  	animation: {
    	easing: 'linear',
    	duration: 10000
    },
  	scales: {
    	yAxes: [{
        ticks: {
					reverse: false
        }
      }]
    }
  }
}

var timeDiv = document.getElementById('time');
function updateTime(start) {
	var ms = performance.now() - start;
 	timeDiv.textContent = '' + Math.round(ms/100)/10;
}

Chart.plugins.register({
	id: 'timer',
  beforeRender(chart, options) {
  	this.start = performance.now();
  },
  afterDraw() {
  	updateTime(this.start);
  },
  afterRender(chart, options) {
  	updateTime(this.start);
  }
});

var ctx = document.getElementById('chartJSContainer').getContext('2d');
new Chart(ctx, options);