Time

• do something for time interval, similar to setInterval()

  async countdown(Number: n, CallBack: func=console.log)
  

• sleep function

  async sleep(Number :n)
  # The amount of time, in milliseconds, to sleep.
  

• get timestamp in seconds

  getTimeStamp()
  

• get today Date format : YY-MM-DD

  getTodayDate()