用户输入以使用迭代做出决策

我的代码是旧游戏策划者的一个版本，应该猜测我的秘密代码，如果用户猜测正确的字符，则它会打印字母绿色，如果其正确的字符错误位置，则它打印出来如果完全错了红色和黑色。

 <!doctype.html>
<html>
<head>
  <title> Mastermind </title>
<script>
  var secret= 'FLGRL';
  function init() {
    var button = document.getElementById('startButton');
    button.onclick = myButtonClick;
  }
  function myButtonClick() {
    var userTry = document.getElementById('userGuess').value;
    var ul = document.getElementById('guessList');
    var li = document.createElement('li');
  }
    for (var i=0; i < secret.length; i++) {
      var found = false;
      //if user finds right character, right spot
      if (userTry.charAt(i)===(secret.charAt(i))) {
        //if code and guess are a match, display letter in greeting
        li.innerHTML += userTry.charAt(i).fontcolor('green');
        found = true;
        //show user
      }
      //if character is in the code but in wrong
      else if {
            for (var j=0; j = charAt('secret'); j++) {
              var found = true;
              if (userTry.charAt(j)===(secret.charAt(j))){
                li.innerHTML += userTry.charAt(j).fontcolor('red');
              }
      if (found === false) {
        li.innerHTML += userTry.charAt(i). fontcolor('black');
        //show user character is wrong
      }
    }
    ul.appendChild(li);
    alert(userTry);
  window.onload = init;
  </script>
  </head>
  <body>
  <form>
  <input type="text" id="userGuess" size="15" placeholder="Your Guess">
  <input type="button" id="startButton" value="Place your Guess">
  </form>
  <ul id="guessList">
  </ul>
  </body>
  </html>

代码至少您发布的代码有很多错误。一个不是封闭的括号，这也是错误的

else if { Blockquote

IF是不必要的或缺少条件。更多，这是什么？

 for (var j=0; j = charAt('secret'); j++)

条件是错误的。

我已经纠正了这些内容，代码仍未100％纠正，而是：

 <!doctype.html>
   <html>
   <head>
     <title> Mastermind </title>
     <script>
       var secret = 'FLGRL';
       function init() {
         var button = document.getElementById('startButton');
         button.onclick = myButtonClick;
       }
       var userTry;
       function myButtonClick() {
         userTry = document.getElementById('userGuess').value;
         var ul = document.getElementById('guessList');
         var li = document.createElement('li');
         for (var i = 0; i < secret.length; i++) {
           var found = false;
           //if user finds right character, right spot
           if (userTry.charAt(i) === (secret.charAt(i))) {
             //if code and guess are a match, display letter in greeting
             li.innerHTML += userTry.charAt(i).fontcolor('green');
             found = true;
             //show user
           }
           //if character is in the code but in wrong
           else {
             for (var j = 0; j < secret.length; j++) {
               var found = true;
               if (userTry.charAt(j) === (secret.charAt(j))) {
                 li.innerHTML += userTry.charAt(j).fontcolor('red');
               }
               if (found === false) {
                 li.innerHTML += userTry.charAt(i).fontcolor('black');
                 //show user character is wrong
               }
             }
           }
         }
         ul.appendChild(li);
         alert(userTry);
       }
       window.onload = init;
     </script>
   </head>
   <body>
     <form>
       <input type="text" id="userGuess" size="15" placeholder="Your Guess">
       <input type="button" id="startButton" value="Place your Guess">
     </form>
     <ul id="guessList">
     </ul>
   </body>
   </html>

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