javascript change date format yyyy-mm-dd code example

Example 1: javascript date today dd mm yyyy

var today = new Date();
var dd = String(today.getDate()).padStart(2, '0');
var mm = String(today.getMonth() + 1).padStart(2, '0'); //January is 0!
var yyyy = today.getFullYear();

today = mm + '/' + dd + '/' + yyyy;
document.write(today);

Example 2: javascript convert date to yyyy-mm-dd

// `date` is a `Date` object
const formatYmd = date => date.toISOString().slice(0, 10);

// Example
formatYmd(new Date());      // 2020-05-06

Example 3: js date format yyyy-mm-dd

yourDate.toISOString().split('T')[0]

Example 4: get current date javascript yyyy-mm-dd

function pad2(n) {
  return (n < 10 ? '0' : '') + n;
}

var date = new Date();
var month = pad2(date.getMonth()+1);//months (0-11)
var day = pad2(date.getDate());//day (1-31)
var year= date.getFullYear();

var formattedDate =  year+"-"+month+"-"+day;
alert(formattedDate); //2021-02-28