You7431

function changeTimerValue() {
  let timer = setInterval(() => {
    let countdown = new Date(timePicker.value) - new Date();
    startTimerBtn.disabled = true;
    timePicker.disabled = true;
    console.log(countdown)
    if (countdown >= 0) {
      let timerData = convertMs(countdown);
        timerValue.days.textContent = timerData.days;
        timerValue.hours.textContent = timerData.hours;
        timerValue.minutes.textContent = timerData.minutes;
        timerValue.seconds.textContent = timerData.seconds;
    } else {
      clearInterval(timer);
    }
  }, 1000);
}