index.js

var randomNumber1 = Math.floor(Math.random()*6)+1;  //1-6

var randomDiceImage1 = "dice" + randomNumber1 + ".png";  //dice1.png - dice6.png

var randomImageSource1 = "images/" + randomDiceImage1;//images/dice1.png - images/dice6.png

var image1 = document.querySelectorAll("img")[0];

image1.setAttribute("src",randomImageSource1);

var randomNumber2 = Math.floor(Math.random()*6)+1;

var randomDiceImage2 = "dice" + randomNumber2 + ".png";

var randomImageSource2 = "images/" + randomDiceImage2;

var image2 = document.querySelectorAll("img")[1];

image2.setAttribute("src",randomImageSource2);

if(randomNumber1>randomNumber2){
document.querySelector("h1").innerHTML = "Player 1 Wins🚩";
}

else if(randomNumber2>randomNumber1){
 document.querySelector("h1").innerHTML = "Player 2 Wins🚩";
}

else{
    document.querySelector("h1").innerHTML ="Draw!";
}