Камень, ножницы, бумага

var userChoice=prompt("Do you choose rock, paper or scissors?");
    computerChoice=Math.random();

if (1 интервал) {
    computerChoice="rock";
} else if (2 интервал) {
    computerChoice="paper";
} else {
    computerChoice="scissors";
}

var userChoice=prompt("Do you choose rock, paper or scissors?");
    computerChoice=Math.random();
console.log(computerChoice);
if (computerChoice>=0 && computerChoice<=0.33) {
    computerChoice="rock";
} else if (computerChoice>=0.34 && computerChoice<=0.66) {
    computerChoice="paper";
} else {
    computerChoice="scissors";
}

if ((computerChoice>=0) && (computerChoice<=0.33))
{
}

var userChoice = prompt("Do you choose rock, paper or scissors?");
var computerChoice = Math.random();
if (computerChoice < 0.34) {
    computerChoice = "rock";
} else if(computerChoice <= 0.67) {
    computerChoice = "paper";
} else {
    computerChoice = "scissors";
}
var compare = function(choice1,choice2) {
    if (choice1===choice2) {
        return "The result is a tie!";
    }
    if (choice1==="rock") {
        if (choice2==="scissors") {
            return "Rock wins!";
        } else {
            return "Paper wins!";
        }
    }
    if (choice1==="paper") {
        if (choice2==="rock") {
            return "Paper wins!";
        } else {
            return "Scissors wins!";
        }
    }
    if (choice1==="scissors") {
        if (choice2==="rock") {
            return "Rock wins!";
        } else {
            return "Scissors wins!";
        }
    }
};
compare(userChoice,computerChoice);