[Node.js-생활코딩] JavaScript - 배열

[출처-Youtube 생활코딩]

https://www.youtube.com/watch?v=FvOKF4pyXnM&list=PLuHgQVnccGMA9QQX5wqj6ThK7t2tsGxjm&index=27

 

var arr = ['A','B','C','D'];
console.log(arr[1]);
console.log(arr[3]);
arr[2] = 3;
console.log(arr);
console.log(arr.length);
arr.push('E');  // 배열에 데이터 'E' 추가
console.log(arr);