random_values.js

function randomIntFromInterval(min, max) {
  return Math.floor(Math.random() * (max - min + 1) + min);
}

function generateData() {
  var data_list = [];

  var random = Math.floor(Math.random() * 10);

  for (var i = 0; i < random; i++) {
    data_list.push({
      name: i,
      x_axis: randomIntFromInterval(-100, 100),
      y_axis: randomIntFromInterval(-100, 100),
      radius: randomIntFromInterval(3, 15)
    });
  }
  return data_list;
}