logging.js

function timestamp() {
  const currentDate = new Date();
  const day = currentDate.getDate();
  const month = currentDate.getMonth() + 1;
  const year = currentDate.getFullYear();
  const hours = currentDate.getHours();
  const minutes = currentDate.getMinutes();
  const seconds = currentDate.getSeconds();
  let ms = currentDate.getMilliseconds();
  if (ms < 10) {
    ms = `00${ms}`;
  } else if (ms < 100) {
    ms = `0${ms}`;
  }
  return `${year}-${month < 10 ? `0${month}` : month}-${day < 10 ? `0${day}` : day} ${hours < 10 ? `0${hours}` : hours}:${minutes < 10 ? `0${minutes}` : minutes}:${seconds < 10 ? `0${seconds}` : seconds}:${ms}`;
}

primitive solution to get a padded date time

2021-03-08 04:09:09:007
2021-03-28 14:38:23:170