猜數字遊戲

admin · 發表於 2023-8-6 22:23:17

HTML程式碼如下：
<!DOCTYPE html>
<html>
<head>
      <title></title>
      <meta charset="UTF-8">
      <meta name="viewport" content="width=device-width, initial-scale=1.0">
</head>
<body>
      <h2>
         猜數字遊戲(break 和 continue)
      </h2>
      <hr/>
      <script>
         var target = 34;
         var number = 0;
         var times = 0;
         do {
            number = window.prompt("輸入數字",number);
            if (number == null || number == target)
                  break;
            if(number > target)
            {
                  alert(number + "太大！")
                  times++;
                  continue;
            }
            else if(number != target)
            {
                  alert(number + "太小");
                  times;
                  continue;
            }
         } while(true);
         if(number == null)
            document.write("不猜了！答案為： " + target + "<br/>");
         else
         {
            document.write("猜對了！答案為： " + target + "<br/>");
            document.write("共猜了： " + (times+1) + "次<br/>");
         }
      </script>
</body>
</html>

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猜數字遊戲

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