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目前，我正在尝试学习 javascript，但这让我很难过。

我写了一个小石头剪刀布脚本，它应该给用户一些输出，但我似乎无法真正得到那个输出。

js脚本是这样的：

var computerChoiceLine = 0
var tieResult = "The result is a tie!";
var winResult = "You won!";
var lossResult = "You lost..."
var userChoice = prompt("Do you choose rock, paper or scissors?");
var computerChoice = Math.random();
// convert computerChoice into text
if (computerChoice <= 0.34) {
    computerChoiceLine = "rock";
} else if(computerChoice <= 0.67) {
    computerChoice = "paper";
} else {
    computerChoice = "scissors";
}
// convert userChoice into number
if (userChoice == "rock") {
    userChoiceNumber = 0;
} else if(userChoice == "paper") {
    userChoiceNumber = 0.50;
} else if(userChoice == "scissors"){
    userChoiceNumber = 1;
} else {
    userChoiceNumber = 100;
}

var output = function(choice1, choice2){
document.write("You chose " + choice1)
document.write("\n The computer chose " + choice2)
compare(userChoiceNumber , computerChoice)

var compare = function(choice1 , choice2){
    if(choice1 == choice2){
        document.write(tieResult);
    }
    if(choice1 < choice2){
        document.write(lossResult);
    }
    if(choice1 > choice2){
        document.write(winResult);
    }
};

if(userChoice == 100){
document.write("Please type rock, paper or scissors")
} else {
output(userChoice , computerChoiceLine);
};
}

我在 HTML 中这样调用它：

<!DOCTYPE html>
<html>
<body>
<script type="text/javascript" src="RockPaperScissors.js"></script>
</body>
</html>

谁能解释我做错了什么，以及我应该如何改变它？

4

1 回答 1

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在定义的末尾缺少一个右大output括号，在 js 的末尾有一个额外的右大括号。在我进行这些更改后，脚本就起作用了。

于 2013-08-11T20:43:23.863 回答