​

function setup() {

  createCanvas(400, 400);

  background(255, 255, 240);

  // using a for loop to populate the array

  for (var i = 0; i < 10; i++) {

    xpositions.push( random(0, 400) );

  }

  console.log("xpositions after adding random numbers: " + xpositions);

}

​

function draw() {

  // using a second for loop to draw using the array values

  for (var i = 0; i < xpositions.length; i++) {

    ellipse(xpositions[i], 100, 10, 10);

  }

}