오늘 날짜 구하는 방법
function todayDate() {
var today = new Date();
var yy = today.getFullYear();
var mm = today.getMonth()+1;
var dd = today.getDate();
if(mm < 10){
mm = "0"+mm;
}
if (dd < 10){
dd = "0"+dd;
}
var date = yy+ "-" + mm + "-" + dd;
console.log(date)
return date;
}