this sketch draws a group of horizontal lines to the canvas.

add a conditional that makes every other line red.

*/

​

function setup(){

  createCanvas(600,600);

  strokeWeight(10);

  background(255);

}

​

function draw(){

  for (let i = 0; i <= 10; i ++) {

    if(i%2==0){stroke(255,0,0);}

    if(i%2==1){stroke(0);}

    line(0, 59 * i + 5, width, 59 * i + 5);

  }

}