let showTime;

​

function setup() {

  createCanvas(600, 600);

  background(220);

  btn=createButton("Draw Random Shape");

  btn.mousePressed(drawIt);

 //CALL BACK FUNCTION

//TRY ANONYMOUS CALLBACK FUNCTIONS

  showTime = function (){

    console.log(second());

  };

  setInterval(showTime,1000);

} 

​

function drawIt(){

 fill(217,56,96);

  noStroke();

ellipse(random(width),random(height),100,100);

}

​

function draw() {

}