document.querySelector('#diceRoll').addEventListener('click',function() {
var dices = ['1', '2'];
var dicesLength = dices.length;
for (var i = 0; i < dicesLength; i++) {
  number = Math.floor(Math.random() * 6) +1;
  function diceNumber(number) {
    dices[i] = number;
  }
  console.log(number);
}

document.querySelector('.dice').style.display='block';
document.querySelector('.dice').src='dice-' + t1 + '.png';
});