Javascript dice game

"use strict";

window.addEventListener('load',Initieer);

// Global variabels
var image_tracker = 'white';
var throws = [];

function Initieer(){
  var btn = document.querySelector('.btn-yellow');
  document.querySelector('.btn-yellow').addEventListener('click', createRandomDices);
  document.querySelector('.dice').addEventListener("click",holdDice,false);
  console.log("The holdDice function has been called");
}

// Function to change the color of the dice whenever it is selected.
// A tracker to keep track of the color it has, so you can hold(red) / roll(white) the dice.
  function holdDice(){
    console.log("used the function holdDice");

    Array.from(document.querySelectorAll(".dice")).forEach(d=>{
      d.onclick = function(){
        console.log("clicked:", this);
        this.classList.toggle("locked");
        var srcImage = this.src;
        console.log("The image src of this dice is " + srcImage);

        if(this.src.split("_red.png").length > 1){
            // assume it was red
            this.src = this.src.replace("_red.png",".png");
        } else {
            // assume it was white
            this.src = this.src.replace(".png","_red.png");
        }
    }
    })
  }

function createRandomDices(){

  const diceElements = Array.from(document.querySelectorAll('.dice'));

  // Generate random numbers
  const dice = [
    {randomNumber: Math.floor(Math.random() * 6) + 1},
    {randomNumber: Math.floor(Math.random() * 6) + 1},
    {randomNumber: Math.floor(Math.random() * 6) + 1},
    {randomNumber: Math.floor(Math.random() * 6) + 1},
    {randomNumber: Math.floor(Math.random() * 6) + 1}
  ];

  for(let i in dice) {
    dice[i].image = 'img/dice' + dice[i].randomNumber + '.png';
  }

  //Display the dices on the page
  document.getElementById('dice-1').src = 'img/dice' +  dice[0].randomNumber + '.png';
  document.getElementById('dice-2').src = 'img/dice' +  dice[1].randomNumber + '.png';
  document.getElementById('dice-3').src = 'img/dice' +  dice[2].randomNumber + '.png';
  document.getElementById('dice-4').src = 'img/dice' +  dice[3].randomNumber + '.png';
  document.getElementById('dice-5').src = 'img/dice' +  dice[4].randomNumber + '.png';
  }