index.js

const randomNumber1 = Math.floor(Math.random() * 6) + 1;
    
if(randomNumber1==1)
{
    document.getElementsByClassName("img1")[0].src="./images/dice1.png";
}
else if(randomNumber1==2)
{
    document.getElementsByClassName("img1")[0].src="./images./dice2.png";
}
else if(randomNumber1==3)
{
    document.getElementsByClassName("img1")[0].src="./images/dice3.png";
}
else if(randomNumber1==4)
{
    document.getElementsByClassName("img1")[0].src="./images/dice4.png";

}
else if(randomNumber1==5)
{
    document.getElementsByClassName("img1")[0].src="./images/dice5.png";
}
else if(randomNumber1==6)
{
    document.getElementsByClassName("img1")[0].src="./images/dice6.png";
}

const randomNumber2=Math.floor(Math.random()*6)+1;
if(randomNumber2==1)
{
    document.getElementsByClassName("img2")[0].src="./images/dice1.png";
}
else if(randomNumber2==2)
{
    document.getElementsByClassName("img2")[0].src="./images./dice2.png";
}
else if(randomNumber2==3)
{
    document.getElementsByClassName("img2")[0].src="./images/dice3.png";
}
else if(randomNumber2==4)
{
    document.getElementsByClassName("img2")[0].src="./images/dice4.png";

}
else if(randomNumber2==5)
{
    document.getElementsByClassName("img2")[0].src="./images/dice5.png";
}
else if(randomNumber2==6)
{
    document.getElementsByClassName("img2")[0].src="./images/dice6.png";
}
if(randomNumber1>randomNumber2)
{
    document.querySelector("h1").innerHTML="Player 1 wins";
}
else if(randomNumber1<randomNumber2)
{
    document.querySelector("h1").innerHTML="Player 2 wins";
}
else if(randomNumber1==randomNumber2)
{
    document.querySelector("h1").innerHTML="Draw";
}