需要帮助在我的石头布和剪刀游戏javascript_Javascript_If Statement

需要帮助在我的石头布和剪刀游戏javascript

javascript if-statement

需要帮助在我的石头布和剪刀游戏javascript,javascript,if-statement,Javascript,If Statement,当用户和计算机捆绑在一起时，它总是告诉我，我输了，而不是被捆绑在一起 <html> <head> <title>Rock, Paper and Scissors</title> </head> <body> <p>Rock, Paper and Scissors!</p> <input type="text" id ="te

当用户和计算机捆绑在一起时，它总是告诉我，我输了，而不是被捆绑在一起

<html>
<head>        
    <title>Rock, Paper and Scissors</title>        
</head>
<body>
    <p>Rock, Paper and Scissors!</p>        
    <input type="text" id ="textChoice">        
    <button id="submit">Submit</button>        
    <p id="paragraphChoice"></p>

    <script type="text/javascript">            
        document.getElementById("submit").onclick = function() {                
            var computerChoice = ["rock", "paper", "scissors"];            
            var computerGuess = 
                computerChoice[Math.floor(Math.random() * computerChoice.length)];                
            var userGuess = document.getElementById("textChoice").value;

            if (userGuess === computerGuess) {                    
                document.getElementById("paragraphChoice").innerHTML = 
                    "You tied! The computer choose "+ computerGuess; //Both tied!                   
            }

            if (userGuess === "rock") {                    
                if (computerGuess === "scissors") {
                    //rock wins
                    document.getElementById("paragraphChoice").innerHTML =
                        "You won! The computer choose "+ computerGuess;                        
                } else {
                    //paper wins
                    document.getElementById("paragraphChoice").innerHTML =
                        "You lost! The computer choose "+ computerGuess;                        
                }                    
            }

            if (userGuess === "paper") {                    
                if (computerGuess === "rock") {
                    //rock wins
                    document.getElementById("paragraphChoice").innerHTML =
                        "You won! The computer choose "+ computerGuess;                        
                } else {
                    //scissors wins
                    document.getElementById("paragraphChoice").innerHTML =
                        "You lost! The computer choose "+ computerGuess;                        
                }                    
            }

            if (userGuess === "scissors") {                    
                if (computerGuess === "paper") {                        
                    document.getElementById("paragraphChoice").innerHTML = 
                        "You won! The computer choose "+ computerGuess;                        
                } else {                        
                    document.getElementById("paragraphChoice").innerHTML = 
                        "You lost! The computer choose "+ computerGuess;                        
                }                    
            }                
        };        
    </script>        
</body>
</html>


石头、布和剪刀
石头，布和剪刀
提交

document.getElementById（“提交”）.onclick=function（）{
var computerChoice=[“石头”、“布”、“剪刀”]；
var computerGuess=
computerChoice[Math.floor（Math.random（）*computerChoice.length）]；
var userGuess=document.getElementById（“textChoice”）.value；
如果（userGuess==computerGuess）{
document.getElementById（“paragraphChoice”）.innerHTML=
“你打成平局！计算机选择”+computerGuess；//两个都打成平局！
}
如果（userGuess==“rock”）{
如果（计算机猜测==“剪刀”）{
//摇滚乐获胜
document.getElementById（“paragraphChoice”）.innerHTML=
“你赢了！电脑选择”+电脑猜；
}否则{
//报纸获胜
document.getElementById（“paragraphChoice”）.innerHTML=
“你输了！电脑选择”+电脑猜；
}                    
}
如果（userGuess==“纸张”）{
如果（计算机猜测==“岩石”）{
//摇滚乐获胜
document.getElementById（“paragraphChoice”）.innerHTML=
“你赢了！电脑选择”+电脑猜；
}否则{
//剪刀赢了
document.getElementById（“paragraphChoice”）.innerHTML=
“你输了！电脑选择”+电脑猜；
}                    
}
如果（userGuess==“剪刀”）{
如果（计算机猜测==“纸张”）{
document.getElementById（“paragraphChoice”）.innerHTML=
“你赢了！电脑选择”+电脑猜；
}否则{
document.getElementById（“paragraphChoice”）.innerHTML=
“你输了！电脑选择”+电脑猜；
}                    
}                
};

到目前为止，我还没有学习函数，if语句非常混乱（我就是这么想的）

非常感谢你的帮助

当你得到一个答案时，你就完成了：如果2==2，那么就完成了。不要检查其他可能性。所以

if (userGuess === computerGuess) {
    document.getElementById("paragraphChoice").innerHTML = 
        "You tied! The computer choose "+ computerGuess; //Both tied!

    // you are done. return.
    return;
}

如果您不告诉程序您完成了，它将继续检查所有其他

if-then

块，最后一个块将打印到页面。您必须在每个

if-then

块中添加一个

return