createCanvas(400, 400);

  noStroke()

  background(255,255,255)

}

​

function draw() {

  let randomColorR = Math.floor(random(0,255))

  let randomColorG = Math.floor(random(0,255))

  let randomColorB = Math.floor(random(0,255))

  fill(randomColorR,randomColorG, randomColorB)

  ellipse(mouseX,mouseY,20,20)

}

function keyPressed(){

  if(keyCode === 83 ){

    saveCanvas()

  }

}