let y=0;

​

function setup() {

  createCanvas(600, 600);

  background(220);

//Drawing the grid utilizing the functions

  while( x < width && y < height){

    drawVline(x);

    drawHline(y);

    x+=20;

    y+=20;

  }

}

​

function draw() {

}

​

//Draws a Vertical line at specified x coordinate

function drawVline(x) {

  line(x,0,x,width)

}

//Draws a Horizontal line at the specified y coordinate

function drawHline(y) {

  line(0,y,height,y)

}