Multiple times running function chartjs

by Jesper02

HTML

<canvas id="myChart" width="200" height="200"></canvas>
<script src="https://cdnjs.cloudflare.com/ajax/libs/Chart.js/3.5.0/chart.min.js" integrity="sha512-asxKqQghC1oBShyhiBwA+YgotaSYKxGP1rcSYTDrB0U6DxwlJjU59B67U8+5/++uFjcuVM8Hh5cokLjZlhm3Vg==" crossorigin="anonymous" referrerpolicy="no-referrer"></script>
<script src="https://cdn.jsdelivr.net/npm/chartjs-plugin-datalabels@2"></script>

JavaScript

var ctx = document.getElementById('myChart').getContext('2d');

let width, height, gradient;
function getGradient(ctx, chartArea) {
  const chartWidth = chartArea.right - chartArea.left;
  const chartHeight = chartArea.bottom - chartArea.top;
  if (gradient === null || width !== chartWidth || height !== chartHeight) {
    // Create the gradient because this is either the first render
    // or the size of the chart has changed
    width = chartWidth;
    height = chartHeight;
    gradient = ctx.createLinearGradient(0, chartArea.bottom, 0, chartArea.top);
    gradient.addColorStop(0, "rgb(54, 162, 235)");
    gradient.addColorStop(0.5, "rgb(255, 205, 86)");
    gradient.addColorStop(1, "rgb(255, 99, 132)");
  }

  return gradient;
}

var myChart = new Chart(ctx, {
  type: 'line',
  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: function(context) {
        const chart = context.chart;
        const {ctx, chartArea} = chart;

        if (!chartArea) {
          // This case happens on initial chart load
          return null;
        }
        return getGradient(ctx, chartArea);
      },
      borderWidth: 1
   	 }]
  },
  options: {
  	responsive: false,
    maintainAspectRatio: false,
    scales: {
      y: {
        beginAtZero: true,
      }
    },
  }
});