> For the complete documentation index, see [llms.txt](https://dev-sujeong.gitbook.io/javascript/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://dev-sujeong.gitbook.io/javascript/basic-syntax/index/data-type/object-array.md).

# Object: Array

## array인지 확인

```javascript
Array.isArray([]);
```

## 추가

* push: 배열 끝에 요소 추가
* unshift: 배열 앞에 요소 추

```javascript
let arr = ['a', 'b', 'c'];
arr.push('d');
```

## 삭제

* pop: 배열 끝에 요소 제거
* shift: 배열 앞에 요소 제