createCanvas(500,400);

  background('white')

}

​

function draw() {

scale(0.5);

  fill('fill white');

  rect(60,70,60,50);

  fill('yellow')

  rect(100,100,90,130);

  fill('black')

  ellipse(200,190,120)

  fill('yellow')

  ellipse(250,250,80)

  fill('black')

  rect(260,280,45,70);

  fill(mouseX,mouseY,'220','0')

​

  rect(250,20,80,130);

  rect(310,110,130,120)

  textSize(80)

  text('Hello!',mouseX,mouseY,220)

  describe('a canvas with white background');

​

}

​

function mousePressed(){

  background('white');

}