createCanvas(windowWidth, windowHeight);

  noLoop();

}

​

// sequence, or array, of colors

let colors = [

  "darkred",

  "darkorange",

  "gold",

  "darkgreen",

  "darkblue",

  "purple",

];

​

let lastSec;

​

function draw() {

  background(220, 10, 100);

​

  // iterate through the sequence from position 0 until the end

  for (let i = 0; i < colors.length; i += 1) {

    // use item at position i in sequence

    fill(colors[i]);

​

    rect(random(width), random(height), random(20, 80));

  }

}

​