javascript Previesť dátum na RRRR-mm-dd
// `date` is a `Date` object
const formatYmd = date => date.toISOString().slice(0, 10);
// Example
formatYmd(new Date()); // 2020-05-06
javascript dátum dnes dd mm RRRR
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);
java script dátum tlače v RRRR-MM-DD HH: MM: SS formát
let date_ob = new Date();
// adjust 0 before single digit date
let date = ("0" + date_ob.getDate()).slice(-2);
// current month
let month = ("0" + (date_ob.getMonth() + 1)).slice(-2);
// current year
let year = date_ob.getFullYear();
// current hours
let hours = date_ob.getHours();
// current minutes
let minutes = date_ob.getMinutes();
// current seconds
let seconds = date_ob.getSeconds();
// prints date & time in YYYY-MM-DD HH:MM:SS format
console.log(year + "-" + month + "-" + date + " " + hours + ":" + minutes + ":" + seconds);
javascript formát Dátum objektu do RRRR-mm-dd
const yourDate = new Date()
yourDate.toISOString().split('T')[0]