rock paper scissors

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";
} console.log("Computer: " + computerChoice);

var compare = function(choice1, choice2) {
    if(choice1 === choice2) {
    return "The result is a tie";
}
else if(choice1 === "paper") {
    if(choice2 === "rock") {
        return "paper wins"
    }
    else {
        return "scissors win"
    }
}

else if(choice1 === "rock") {

    if(choice2 === "scissors") {
        return "rock wins";
    }
    else {
        return "paper wins";
    }

}
else {
    if(choice2 === "rock") {
        return "rock wins"
    }
    else {
        return "scissors win"
    }
}
};
compare(userChoice, computerChoice)