js date locale code example

Example 1: toLocaleDateString() options

new Date("1983-March-25").toLocaleDateString('fr-CA', { year: 'numeric', month: '2-digit', day: '2-digit' })
'03/25/1983'

Example 2: js datetime local

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

today = mm + '/' + dd + '/' + yyyy;
var time = date.toLocaleTimeString();

var dateTime = "Date: " + today + " and Time: " + time;