create a script that makes a x y graph. every time that the script runs adds a new (x,y) point to that graph in javascript

index.tsx
var chartData = {
  datasets: [{
      label: 'My Dataset',
      data: []
  }]
};

var chartOptions = {
  scales: {
      xAxes: [{
          type: 'linear',
          position: 'bottom'
      }]
  }
};

var ctx = document.getElementById('myChart').getContext('2d');
var myChart = new Chart(ctx, {
    type: 'scatter',
    data: chartData,
    options: chartOptions
});

// generate new point
var x = Math.random();
var y = Math.random();
var newPoint = { x: x, y: y };

// add new point to chart
myChart.data.datasets[0].data.push(newPoint);
myChart.update();
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