moment.js

• Moment.js

• cdn

cdn 사용

<script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.24.0/moment.min.js"></script>

YYYYMMDD

$("#date").val(moment(new Date()).format("YYYYMMDD"));

yesterday

moment().subtract(1, 'day')

add days

var new_date = moment(startdate, "DD-MM-YYYY").add(5, 'days');

• momentJS date string add 5 days

a week ago

moment().subtract(7, 'day')

specific date

• 1985.05.20

  moment().year(1985).month(5-1).date(20)