Javascript 石头、剪刀、布。随机函数未按预期工作

这是我第一次在这个网站上发帖

目前，我正试图在Javascript上构建石头、剪刀、纸牌游戏。我已经写出了代码，但是我在运行代码时遇到了问题

每当我刷新浏览器以玩游戏时，底部的console.log将运行游戏，但computerPlay（）将始终处于禁用状态。我试过自己运行computerPlay（），运行正常

任何帮助都将不胜感激

        let userPlay;
        do {
            userPlay = prompt("rock, paper, or scissors?");
        }
        while (userPlay !== "rock" && userPlay !== "paper" && userPlay !== "scissors"); //prompt user for rock, scissors, or paper.

        let compPlay = computerPlay();

        function computerPlay() { //computer generates a random answer.
            let random = ["rock", "paper", "scissors"];
            return random[Math.floor(Math.random() * 3)];

        }
        function playRound(playerSelection, computerSelection) { //plays a round of the game.
            if (playerSelection === "rock") {
                if (computerSelection === "rock") {
                    return "Draw!";
                } else if (computerSelection === "paper") {
                    return "You lose! Paper beats rock.";
                } else {
                    return "You win! Rock beats scissors.";
                }
            } else if (playerSelection === "paper") {
                if (computerSelection === "rock") {
                    return "You win! Paper beats rock.";
                } else if (computerSelection === "paper") {
                    return "Draw!";
                } else {
                    return "You lose! Scissors beats paper.";
                }
            } else {
                if (computerSelection === "rock") {
                    return "You lose! Rock beats scissors.";
                } else if (computerSelection === "paper") {
                    return "You win! Scissors beats paper.";
                } else {
                    return "Draw!";
                }
            }
        }

        console.log(playRound(userPlay, computerPlay));

---

您在一个位置为同一事物使用不同的变量名

computerSelection

，在另一个位置为

compPlay

。最后，在程序末尾的

console.log（）

中，您将打印出函数

computerPlay

试试这个：

   let userPlay = 'scissors';
         do {
            userPlay = prompt("rock, paper, or scissors?");
        }
        while (userPlay !== "rock" && userPlay !== "paper" && userPlay !== "scissors"); //prompt user for rock, scissors, or paper.

        let computerSelection = computerPlay();

        function computerPlay() { //computer generates a random answer.
            let random = ["rock", "paper", "scissors"];
            return random[Math.floor(Math.random() * 3)];

        }
        function playRound(playerSelection, computerSelection) { //plays a round of the game.
            if (playerSelection === "rock") {
                if (computerSelection === "rock") {
                    return "Draw!";
                } else if (computerSelection === "paper") {
                    return "You lose! Paper beats rock.";
                } else {
                    return "You win! Rock beats scissors.";
                }
            } else if (playerSelection === "paper") {
                if (computerSelection === "rock") {
                    return "You win! Paper beats rock.";
                } else if (computerSelection === "paper") {
                    return "Draw!";
                } else {
                    return "You lose! Scissors beats paper.";
                }
            } else {
                if (computerSelection === "rock") {
                    return "You lose! Rock beats scissors.";
                } else if (computerSelection === "paper") {
                    return "You win! Scissors beats paper.";
                } else {
                    return "Draw!";
                }
            }
        }

        console.log(playRound(userPlay, computerSelection));

---

computerPlay

是一个函数，不是字符串，您忘记调用它了。考虑使用精确的变量名来避免这些错误，我不理解下注。提问者是一个新用户，我帮他发现了错误。不是我，但这类问题是离题的，将来对任何人都没有用处——与其回答，不如关闭并删除。这不仅对网站更有利，我也看到这样的答案通常也会吸引反对票