麻烦老师检查，谢谢老师❤

来源：2-7 编程练习

宣7595077

2022-11-02 15:46:29

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
  </head>

  <body>
    <script>
      const arr = ["i", "m", "o", "o", "c"];
      for (const [index, value] of arr.entries()) {
        if (value == "o") {
          arr[index] = arr[index].toUpperCase();
          break;
        }
      }
      console.log(arr);
    </script>
  </body>
</html>

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