<!DOCTYPE html>
<html>

<head>
  <title>Bar Chart</title>
  <script src="https://cdn.jsdelivr.net/npm/chart.js@2.8.0"></script>
  <meta name="viewport" content="initial-scale = 1, user-scalable = no" />
  <style>
    canvas {}
  </style>
</head>

<body>
  <canvas id="canvas" height="450" width="600"></canvas>
  <script>
    let labels = [];
    let data1 = [];
    let data2 = [];
    for (let i = 0; i < 2000; i++) {
      labels.push("l" + i);
      data1.push(Math.floor(Math.random() * 100));
      data2.push(Math.floor(Math.random() * 100));
    }
    var ctx = document.getElementById('canvas').getContext('2d');
    var chart = new Chart(ctx, {
      // The type of chart we want to create
      type: 'line',

      // The data for our dataset
      data: {
        labels: labels,
        datasets: [{
          label: 'My First dataset',
          //backgroundColor: 'rgb(255, 99, 132)',
          borderColor: 'rgb(255, 99, 132)',
          data: data1
        }, {

          label: 'My First dataset',
          //backgroundColor: 'rgb(255, 255, 132)',
          borderColor: 'rgb(255, 255, 132)',
          data: data2

        }]
      },

      // Configuration options go here
      options: {}
    });
  </script>
</body>

</html>
// Code goes here

/* Styles go here */