1. concatenate 문자를 이어줌
2. add 숫자 더함
'Programming > JavaScript' 카테고리의 다른 글
| Difference Between == and === in JavaScript (0) | 2022.03.08 |
|---|---|
| JavaScript treats variables that are undefined as false. (0) | 2022.03.08 |
| Arrays (0) | 2022.03.08 |
| typeof (0) | 2022.03.08 |
| What is loosely typed in JavaScript? (0) | 2022.03.07 |
