timingfunctions.js

timingfunctions.js

function addMinutes(date, minutes) {
  return new Date(date.getTime() + minutes * 60000);
}

function getTimeRemaining(deadline) {

  const t = Date.parse(deadline) - Date.parse(new Date())
  const seconds = Math.floor((t / 1000) % 60);
  const minutes = Math.floor((t / 1000 / 60) % 60)

  return {
    'total': t,
    'seconds': seconds,
    'minutes': minutes
  }
}


  function updateClock(timeRemaining) {
    const t = timeRemaining
    minutes.innerHTML = ('0' + t.minutes).slice(-2)
    seconds.innerHTML = ('0' + t.seconds).slice(-2)
    if (t.total <= 0) {
      clearInterval(timeInterval)
    }
  }