JavaScript - FormatDate Time

FormatDateTime()

const FormatDateTime=str=>{
let date = new Date(new Number(str));
return (date instanceof Date && !isNaN(date)) ? {
year:date.getFullYear(),
month:(date.getMonth() + 1),
day:date.getDate(),
hour:date.getHours(),
minute:date.getMinutes(),
second:date.getSeconds(),
mlSecond:date.getMilliseconds() 
}: date.toString() }

//Example!
console.log(FormatDateTime(1528461565988))