현재 날짜 YYYY-MM-DD 포맷 반환

Date.prototype.toISOString()

• https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/Date/toISOString

현재 날짜 YYYY-MM-DD 포맷 반환

• toISOString() 적용 후 시간부분 자르면 됨.

const today = new Date(); //현재 날짜,시간 받기

today.toISOString();
//"2021-02-06T15:39:19.320Z"

today.toISOString().split('T');
//(2) ["2021-02-06", "15:39:19.320Z"]

today.toISOString().split('T')[0];
//"2021-02-06"