jQuery Script
<script> var clockModule = (function($){ // Clock function getTimeRemaining(endtime) { var t = Date.parse(endtime) - Date.parse(new Date()); var seconds = Math.floor((t / 1000) % 60); var minutes = Math.floor((t / 1000 / 60) % 60); var hours = Math.floor((t / (1000 * 60 * 60)) % 24); var days = Math.floor(t / (1000 * 60 * 60 * 24)); return { 'total': t, 'days': days, 'hours': hours, 'minutes': minutes, 'seconds': seconds } } function initializeClock( id, endtime ) { var clock = document.getElementById(id); var daysSpan = clock.querySelector('.days'); var hoursSpan = clock.querySelector('.hours'); var minutesSpan = clock.querySelector('.minutes'); var secondsSpan = clock.querySelector('.seconds'); function updateClock() { var t = getTimeRemaining(endtime); daysSpan.innerHTML = t.days; hoursSpan.innerHTML = ('0' + t.hours).slice(-2); minutesSpan.innerHTML = ('0' + t.minutes).slice(-2); secondsSpan.innerHTML = ('0' + t.seconds).slice(-2); if (t.total <= 0) { clearInterval(timeinterval); } } updateClock(); var timeinterval = setInterval(updateClock, 1000); } return { init: function( id, endtime ) { initializeClock( id, endtime ); } } })(jQuery); </script>
HTML Markup
<div id="clockdiv"> <div> <span class="days"></span> <div class="smalltext">Days</div> </div> <div> <span class="hours"></span> <div class="smalltext">Hours</div> </div> <div> <span class="minutes"></span> <div class="smalltext">Minutes</div> </div> <div> <span class="seconds"></span> <div class="smalltext">Seconds</div> </div> </div> <script>clockModule.init('clockdiv', 'June 20 2016 00:05:00 GMT-0600');</script>