Javascript 这个程序可以运行，但代码学院不能'；我不认为这是正确的

这是我的代码：

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 smashes the fuck out of those scissors!";
    }
    else {
        return "Oh shit, that rock was not prepared for full coverage OF PAPER ";
    }
}

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

    if (choice2 === "rock"){
        return "Oh damn, that paper just covered the shit out of that rock!";
    }
    else {
        return "Those scissors cut that weak paper shit into pieces!";
    }
}

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

    if (choice2 === "rock"){
        return "Wow! That rock smashed those scissors so hard into the ground that their grandparents felt it. And they're dead!";
    }
    else {
        return "That wimpy-ass paper was sliced into ribbons...Well, you know, if the paper was made of that ribbon material. BUT IT'S NOT.";
    }
}
} 
compare(computerChoice, userChoice);    

var userChoice=prompt（“您选择石头、布还是剪刀？”）；
var computerChoice=Math.random（）；
如果（computerChoice您需要像CodeAcademy希望您做的那样做所有事情。使用相同的变量名称、相同的代码结构等。
控制台和计算机都产生相同的结果，因此我不知道您要做什么才能得到
未定义的
。CodeAcademy如何检查您的答案？您需要返回与它们匹配的字符串吗输出？是否有亵渎检查？