Are you a visual learner?? Then watch the below video.
Source Code:
<!DOCTYPE html>
<html>
<head>
<title>Christmas Countdown</title>
<style type="text/css">
body {
background: #f6f6f6;
}
.countdownContainer{
position: absolute;;
top: 50%;
left: 50%;
transform : translateX(-50%) translateY(-50%);
text-align: center;
background: #ddd;
border: 1px solid #999;
padding: 10px;
box-shadow: 0 0 5px 3px #ccc;
}
.info {
font-size: 80px;
}
</style>
</head>
<body>
<table class="countdownContainer">
<tr class="info">
<td colspan="4">Christmas Countdown</td>
</tr>
<tr class="info">
<td id="days">120</td>
<td id="hours">4</td>
<td id="minutes">12</td>
<td id="seconds">22</td>
</tr>
<tr>
<td>Days</td>
<td>Hours</td>
<td>Minutes</td>
<td>Seconds</td>
</tr>
</table>
<script type="text/javascript">
function countdown(){
var now = new Date();
var eventDate = new Date(2016, 11, 25);
var currentTiime = now.getTime();
var eventTime = eventDate.getTime();
var remTime = eventTime - currentTiime;
var s = Math.floor(remTime / 1000);
var m = Math.floor(s / 60);
var h = Math.floor(m / 60);
var d = Math.floor(h / 24);
h %= 24;
m %= 60;
s %= 60;
h = (h < 10) ? "0" + h : h;
m = (m < 10) ? "0" + m : m;
s = (s < 10) ? "0" + s : s;
document.getElementById("days").textContent = d;
document.getElementById("days").innerText = d;
document.getElementById("hours").textContent = h;
document.getElementById("minutes").textContent = m;
document.getElementById("seconds").textContent = s;
setTimeout(countdown, 1000);
}
countdown();
</script>
</body>
</html>
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