js 이용한 오늘 날짜 출력

Data() 객체 생성

let today = new Data();

Data() 객체에서 연,월,일꺼내기

연

let year= today.getFullYear();

월

let year= today.getMonth();

일

let year= today.getDate();

배열자르기 slice

https://lavender1122.tistory.com/182

배열 자르기 - slice([begin(,end)])

let month = ('0' +(today.getMonth()+1)).slice(-2);

연월일 합치기

let dateString = year+"-"+month+"-"+day;

값 넣기

let obj =document.querySelector("#unitPrice0") //선택자 접근
obj.value=dateString //오늘 날짜 넣기

원본

getToday();

function getToday(){
	let today = new Date();
	let year= today.getFullYear();
	let month = ('0' +(today.getMonth()+1)).slice(-2);
	let day= ('0' + today.getDate()).slice(-2);
	
	let dateString = year+"-"+month+"-"+day;
	
	console.log("dateString",dateString);
	let obj =document.querySelector("#unitPrice0")
	obj.value=dateString
}

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템플릿

getToday();
function getToday(){
	let today = new Date();
	let year= today.getFullYear();
	let month = ('0' +(today.getMonth()+1)).slice(-2);
	let day= ('0' + today.getDate()).slice(-2);
	
	let dateString = year+"-"+month+"-"+day;
	
	console.log("dateString",dateString);
	let obj =document.querySelector("선택자태그")
	obj.value=dateString
}