Rock, paper, scissors game

rock-paper-scissors.js

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 === "rock") {
        if (choice2 === "scissors") {
            return "Rock wins!";
        } else {
            return "Paper wins!";
        }
    } else if (choice1 === "paper") {
        if (choice2 === "rock") {
            return "Paper wins!";
        } else {
            return "Scissors wins!";
        }
    } else if (choice1 === "scissors") {
        if (choice2 === "rock") {
            return "Rock wins!";
        } else {
            return "Scissors wins!";
        }
    }
};
compare(userChoice, computerChoice);