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How to create a countdown timer with JavaScript?
To create a countdown timer with JavaScript, the code is as follows −
Example
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1" />
<style>
body {
font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}
.timer {
text-align: center;
font-size: 60px;
margin-top: 0px;
color: white;
background-color: rgb(100, 38, 214);
}
</style>
</head>
<body>
<h1 style="text-align: center;">Countdown Timer Example</h1>
<h2 class="timer"></h2>
<script>
var countDownDate = new Date("June 5, 2022 11:27:15").getTime();
var timeClear = setInterval(function() {
var now = new Date().getTime();
var timeLeft = countDownDate - now;
var days = Math.floor(timeLeft / (1000 * 60 * 60 * 24));
var hours = Math.floor(
(timeLeft % (1000 * 60 * 60 * 24)) / (1000 * 60 * 60)
);
var minutes = Math.floor((timeLeft % (1000 * 60 * 60)) / (1000 * 60));
var seconds = Math.floor((timeLeft % (1000 * 60)) / 1000);
document.querySelector(".timer").innerHTML = days + "d " + hours + "h " + minutes + "m " + seconds + "s ";
if (timeLeft < 0) {
clearInterval(timeClear);
document.querySelector(".timer").innerHTML = "Timer Finished";
}
}, 1000);
</script>
</body>
</html>Output
The above code will produce the following output −
Updated on: 12-May-2020
488 Views
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