ako overiť, čas, formát v javascripte
var valid = (new Date(timestamp)).getTime() > 0;
var valid = (new Date('2012-08-09')).getTime() > 0; // true
var valid = (new Date('abc')).getTime() > 0; // false
javascript previesť čas na formátovaný dátum
javascriptCopyvar timestamp = 1607110465663
var date = new Date(timestamp);
console.log(date.getTime())
console.log(date)