Author: Malte Bublitz
Language/File type: HTML (maybe with nested JavaScript and CSS
Code
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<!DOCTYPE html>
<html lang="de">
<head>
<meta charset="UTF-8">
<title>Countdown</title>
<style>
@import url(https://xyz.rolltreppe3.de/css/normalize.css);
*, *:before, *:after {
box-sizing: border-box;
}
body {
font: 20px "Source Sans Pro", sans-serif;
background: #F2C45A;
color: #8C2318;
}
main p {
width: 300px;
margin: 4em auto;
font-size: 2em;
}
footer {
position: absolute;
bottom: 30px;
left: 0;
width: 100%;
text-align: center;
}
</style>
</head>
<body>
<main>
<p id="countdown"></p>
</main>
<footer>
<p><a href="https://www.sitepoint.com/build-javascript-countdown-timer-no-dependencies/">Build a Countdown Timer in Just 18 Lines of JavaScript - SitePoint</a></p>
</footer>
<script>
const deadline = '2022-07-31';
function getTimeRemaining(endtime){
const total = Date.parse(endtime) - Date.parse(new Date());
const seconds = Math.floor( (total/1000) % 60 );
const minutes = Math.floor( (total/1000/60) % 60 );
const hours = Math.floor( (total/(1000*60*60)) % 24 );
const days = Math.floor( total/(1000*60*60*24) );
return {
total,
days,
hours,
minutes,
seconds
};
}
function initializeClock(id, endtime) {
const clock = document.getElementById(id);
const timeinterval = setInterval(() => {
const t = getTimeRemaining(endtime);
clock.innerHTML = 'days: ' + t.days + '<br>' +
'hours: '+ t.hours + '<br>' +
'minutes: ' + t.minutes + '<br>' +
'seconds: ' + t.seconds;
if (t.total <= 0) {
clearInterval(timeinterval);
}
},1000);
}
initializeClock('countdown', deadline);
</script>
</body>
</html>