| 12345678910111213141516171819 | const formatTime = date => {  const year = date.getFullYear()  const month = date.getMonth() + 1  const day = date.getDate()  const hour = date.getHours()  const minute = date.getMinutes()  const second = date.getSeconds()  return `${[year, month, day].map(formatNumber).join('/')} ${[hour, minute, second].map(formatNumber).join(':')}`}const formatNumber = n => {  n = n.toString()  return n[1] ? n : `0${n}`}module.exports = {  formatTime}
 |