createCanvas(windowWidth, windowHeight);

  background(0, 0, 0);

  for (let i = 0; i < 50; i++) {

    line(

      random(windowWidth),

      random(windowHeight),

      random(windowWidth),

      random(windowHeight)

    );

    stroke(random(255), random(255), random(255));

  }

}

​

function draw() {}

​