Question

从技术上讲，我有一个链接导致我的脚本（对于缩进，如果不正确，很抱歉）：

<!DOCTYPE html>
<html>
<title>Game</title>


<script>    
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";
        }
    }
    else if (choice1 === "paper"){
        if (choice2 === "rock"){
            return "Paper wins";
        }
        else {
            return "Scissors wins";
        }
    }
    else if (choice1 === "scissors"){
        if (choice2 === "paper"){
            return "Scissors wins"
        }
        else {
            return "Rock wins"
        }
    }
}
compare(userChoice, computerChoice);
</script>
<body>
<h1>The Rock Paper Scissors Game</h1><br>
<p>YAAAAY!</p>
</body>
</html>

所以，我的问题是我的脚本运行到var userChoice = prompt("Do you choose rock, paper or scissors?")但是当我输入我的答案时，没有任何反应。

出了什么问题？！

buzzysin

Answer 1

你的代码很好，你只需要做一些比较结果。像：

alert(compare(userChoice, computerChoice));

看到这个小提琴：https://jsfiddle.net/upcbdL6y/

Answer 2

该函数返回结果，但您没有对结果做任何事情。此外，您需要将accept-charset放在函数内，以便在每次运行时重新生成。这样你就可以在按下按钮而不是在加载时运行该功能。试试这个：

Math.random()

var userChoice = prompt("Do you choose rock, paper or scissors?");
function getCompChoice(userChoice) {
  var computerChoice = Math.random();
  if (computerChoice < 0.34) {
    computerChoice = "rock";
  }
  else if (computerChoice <= 0.67) {
    computerChoice = "paper";
  }
  else {
    computerChoice = "scissors";
  }
  console.log("Computer: " + computerChoice);
  return compare(userChoice, 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";
        }
    }
    else if (choice1 === "paper"){
        if (choice2 === "rock"){
            return "Paper wins";
        }
     else {
            return "Scissors wins";
        }
    }
    else if (choice1 === "scissors"){
        if (choice2 === "paper"){
            return "Scissors wins"
        }
 else {
            return "Rock wins"
        }
    }
}
alert(getCompChoice(userChoice));

您好，我的HTML实验存在问题...（插入JavaScript）

2 个答案: