code: function timestamp() {
    const d = new Date()
  
    const time = [
      zeroPad(d.getHours(), 2),
      zeroPad(d.getMinutes(), 2),
      zeroPad(d.getSeconds(), 2)
    ].join(':')
  
    return [time, zeroPad(d.getMilliseconds(), 3)].join('.')
  }
docs: 16:19:34.754