模板:Timer

<script> (function() {

 var container = document.getElementById('countdown-container');
 if (!container) return;

 var endTime = container.getAttribute('data-endtime');
 var countdownElement = document.getElementById('countdown');

 function updateCountdown() {
   var now = new Date().getTime();
   var endDate = new Date(endTime).getTime();
   var distance = endDate - now;

   if (distance < 0) {
     countdownElement.innerHTML = "Countdown finished";
     clearInterval(interval);
     return;
   }

   var days = Math.floor(distance / (1000 * 60 * 60 * 24));
   var hours = Math.floor((distance % (1000 * 60 * 60 * 24)) / (1000 * 60 * 60));
   var minutes = Math.floor((distance % (1000 * 60 * 60)) / (1000 * 60));
   var seconds = Math.floor((distance % (1000 * 60)) / 1000);

   countdownElement.innerHTML = days + "d " + hours + "h " + minutes + "m " + seconds + "s ";
 }

 var interval = setInterval(updateCountdown, 1000);
 updateCountdown();

})(); </script>