실습 - 구구단만들기

JavaScript/실습

실습 - 구구단만들기

yunajoe 2023. 1. 8. 12:42

숫자를 prompt창에 입력하면은 그 숫자만큼 구구단이 보여지는 프로그램 만들기

나의풀이

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>
<body>
  <h1>구구단</h1>
  <script>
    var num = prompt('숫자를 입력해주세요')
    num = parseInt(num);
    for(let i=1; i<=num; i++){
      document.write(i + "단" + "<br>");
      for (let j=1; j<=9; j++){
        let result = i * j;     
        document.write(i + "X" + j + "=" + result + "<br>" );
      }
    }  
  </script>
  
</body>
</html>

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>
<body>
  <h1>구구단</h1>
  <script>
    var num = prompt('숫자를 입력해주세요'); 
    num = parseInt(num); 
    for(let i=1; i<=num; i++){
      document.write("<h3>" + i + "단</h3>"); 
      for(let j=1; j<=9; j++){
        let result = i * j; 
        document.write(i + "X" + j + "=" + result + "<br>");
      }

    }  
  </script>    
</body>
</html>