let xPos = [20,40,60];

let coolChars = ["😋","😇","😢"]

function setup() {

  createCanvas(400, 400);

  textSize(10);

  fill(0,244,0);

  stroke(0,244,0);

  frameRate(10);

  background(0);

}

​

function draw() {

  background(0,0,0,40);

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

  let letter = random(coolChars);

  text(letter,xPos[i],yPos[i]);

    yPos[i] = yPos[i] + 15;

    }

}