ChartJS Line Chart

Multiple Line Chart

by Nic Fontaine

HTML

<script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
<body>
    <canvas id="chartJSContainer" width="600" height="400"></canvas>
</body>

CSS

canvas { background-color : #eee;
}

JavaScript

let userData = [{"m_type":3,"m_time":0},{"m_type":4,"m_time":44},{"m_type":-1,"m_time":65},{"m_type":0,"m_time":69},{"m_type":5,"m_time":128},{"m_type":5,"m_time":129},{"m_type":1,"m_time":149},{"m_type":0,"m_time":182},{"m_type":2,"m_time":200}]

var options = {
  type: 'line',
  data: {
    datasets: [
	    {
	      data: userData
    	}
		]
  },
  options: {
  	parsing: {
    	xAxisKey: "m_time",
    	yAxisKey: "m_type"
  	},
    scales: {
    	xAxes: [{
        type: "float",
      }]
    },
  }
}

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