for문을 이용한 응용

console.log("-----for문 구구단-----");

for (let dan = 2; dan <= 9; dan++) {

  for (let i = 1; i <= 9; i++) {

    console.log(`${dan} X ${i}=${dan * i}`);

  }

  console.log("------");

}

console.log("----while문 구구단----");

let dan = 2;

while (dan <= 9) {

  let i = 1;

  while (i <= 9) {

    console.log(`${dan}X ${i}=${dan * i}`);

    i++;

  }

  console.log("------------");

  dan++;

}

console.log("-------------------------");

let fruits = ["사과", "바나나", "오렌지"];

for (let i = 0; i < friuts.length; i++) {

  console.log(fruits[i]);

}

console.log("-------------------------");

for (let fruit of fruits) {

  console.log(fruit);

}

console.log("-------------------------");

fruits.forEach(function (fruit, index) {

  console.log(`${index}번째 과일 : ${fruit}`);

});

console.log("-------------------------");

let matrix = [

  [1, 2, 3],

  [4, 5, 6],

  [7, 8, 9],

];

for (let i = 0; i < matrix.length; i++) {

  for (let j = 0; j < matrix.length; j++) {

    console.log(`matrix [${i}][${j}]=${matrix[i][j]}`);

  }

}

console.log("-------------------------");

let menuBoard = [

  ["🍔 불고기버거", "🍟 감자튀김", "🥤 콜라"],

  ["🍔 치즈버거", "🌭 핫도그", "🍹 사이다"],

  ["🍔 새우버거", "🍗 치킨너겟", "🍵 녹차"],

];

for (let row = 0; row < menuBoard.length; row++) {

  let line = "";

  for (let col = 0; col < menuBorad[row].length; col++) {

    line += menuBoard[row][col] + `\t`;

  }

  console.log(lone)

}