Javascript Rock, Paper, Scissors game

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 === "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);