https://11secondclub.com/js/countdown.js

1/*
2Author: Robert Hashemian
3http://www.hashemian.com/
4
5You can use this code in any manner so long as the author's
6name, Web address and this disclaimer is kept intact.
7********************************************************
8Usage Sample:
9
10<script language="JavaScript">
11TargetDate = "12/31/2020 5:00 AM";
12BackColor = "palegreen";
13ForeColor = "navy";
14CountActive = true;
15CountStepper = -1;
16LeadingZero = true;
17DisplayFormat = "%%D%% Days, %%H%% Hours, %%M%% Minutes, %%S%% Seconds.";
18FinishMessage = "It is finally here!";
19</script>
20<script language="JavaScript" src="http://scripts.hashemian.com/js/countdown.js"></script>
21*/
22
23function CountBack(secs) {
24  if (secs < 0) {
25    $("#countdown").html(FinishMessage);
26    return;
27  }
28  days = calcage(secs,86400,100000);
29  hours = calcage(secs,3600,24);
30  minutes = calcage(secs,60,60);
31  seconds = calcage(secs,1,60);
32
33  $('#remaining-days').html(days);
34  $('#remaining-hours').html(hours);
35  $('#remaining-minutes').html(minutes);
36  $('#remaining-seconds').html(seconds);
37
38  if (CountActive)
39    setTimeout("CountBack(" + (secs+CountStepper) + ")", SetTimeOutPeriod);
40 
41	function calcage(secs, num1, num2) {
42		s = ((Math.floor(secs/num1))%num2).toString();
43		if (LeadingZero && s.length < 2) s = "0" + s;
44		return s;
45	}
46}
47
48CountActive = true;
49FinishMessage = "Refresh to get the new competition!";
50CountStepper = -1;
51LeadingZero = true;
52
53CountStepper = Math.ceil(CountStepper);
54if (CountStepper == 0)
55  CountActive = false;
56var SetTimeOutPeriod = (Math.abs(CountStepper)-1)*1000 + 990;
57var dthen = TargetDate;
58var dnow = new Date();
59if(CountStepper>0)
60  ddiff = new Date(dnow-dthen);
61else
62  ddiff = new Date(dthen-dnow);
63gsecs = Math.floor(ddiff.valueOf()/1000);
64
65$(document).ready(function() {
66	CountBack(gsecs);
67});