//配列の宣言
const animals = ["dog", "cat", "pig"];
//配列の要素を取得
console.log(animals[0]);

//配列の繰り返し
for (let i = 0; i < animals.length; i++) {
  console.log(animals[i]);
}

//オブジェクトの宣言
const character = {name: "John", age: 22};
//オブジェクトの要素を取得
console.log(character.name);

//オブジェクトの要素をもつ配列の宣言
const characters = [
  {name: "John", age: 22},
  {name: "Kevin", age: 23}
];
//要素を取得
console.log(characters[0]);
console.log(characters[1].name);

//繰り返し処理
for (let i=0; i<characters.length; i++) {
  const character = characters[i];
  console.log(`名前：${character.name}`);
  console.log(`年齢：${character.age}`);    
}