setting count down clock javascript code example
Example 1: javascript date countdown
<!-- Display the countdown timer in an element -->
<p id="demo"></p>
<script>
var countDownDate = new Date("Jan 5, 2021 15:37:25").getTime();
var x = setInterval(function() {
var now = new Date().getTime();
var distance = countDownDate - now;
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);
document.getElementById("demo").innerHTML = days + "d " + hours + "h "
+ minutes + "m " + seconds + "s ";
if (distance < 0) {
clearInterval(x);
document.getElementById("demo").innerHTML = "EXPIRED";
}
}, 1000);
</script>
Example 2: javascript get clock time in auto counter up
<html>
<head>
<title>(Type a title for your page here)</title>
<script type="text/javascript">
function display_c(){
var refresh=1000;
mytime=setTimeout('display_ct()',refresh)
}
function display_ct() {
var x = new Date()
document.getElementById('ct').innerHTML = x;
display_c();
}
</script>
</head>
<body onload=display_ct();>
<span id='ct' ></span>
</body>
</html>
Example 3: javascript get clock time in auto counter up
function display_ct() {
var x = new Date()
var x1=x.getMonth() + 1+ "/" + x.getDate() + "/" + x.getYear();
x1 = x1 + " - " + x.getHours( )+ ":" + x.getMinutes() + ":" + x.getSeconds();
document.getElementById('ct').innerHTML = x1;
display_c();
}
Example 4: countdown in js
<body>
<div>Registration closes in <span id="time">05:00</span> minutes!</div>
</body>