chart.js

//in terminal: 
yarn add chart.js
//html file: 
<canvas id="myChart" width="400" height="400"></canvas>
//js file
import Chart from 'chart.js'
  var ctx = document.getElementById('best-roomate-chart').getContext('2d');
  var chart = new Chart(ctx, {
      // The type of chart we want to create
      type: 'bar',

      // The data for our dataset
      data: {
          labels: ['January', 'February', 'March', 'April', 'May', 'June', 'July'],
          datasets: [{
              label: 'My First dataset',
              backgroundColor: 'rgb(255, 99, 132)',
              borderColor: 'rgb(255, 99, 132)',
              data: [0, 10, 5, 2, 20, 30, 45]
          }]
      },

      // Configuration options go here
      options: {}
  });
};

<canvas id="myChart" width="400" height="400"></canvas>
<script>
var ctx = document.getElementById('myChart').getContext('2d');
var myChart = new Chart(ctx, {
    type: 'bar',
    data: {
        labels: ['Red', 'Blue', 'Yellow', 'Green', 'Purple', 'Orange'],
        datasets: [{
            label: '# of Votes',
            data: [12, 19, 3, 5, 2, 3],
            backgroundColor: [
                'rgba(255, 99, 132, 0.2)',
                'rgba(54, 162, 235, 0.2)',
                'rgba(255, 206, 86, 0.2)',
                'rgba(75, 192, 192, 0.2)',
                'rgba(153, 102, 255, 0.2)',
                'rgba(255, 159, 64, 0.2)'
            ],
            borderColor: [
                'rgba(255, 99, 132, 1)',
                'rgba(54, 162, 235, 1)',
                'rgba(255, 206, 86, 1)',
                'rgba(75, 192, 192, 1)',
                'rgba(153, 102, 255, 1)',
                'rgba(255, 159, 64, 1)'
            ],
            borderWidth: 1
        }]
    },
    options: {
        scales: {
            yAxes: [{
                ticks: {
                    beginAtZero: true
                }
            }]
        }
    }
});
</script>