<!DOCTYPE html>
<html>
<head>
<title>Timer</title>
</head>
<body>
<div id="timer"></div>
<script>
// Assuming 'totime' is retrieved from the database and is in milliseconds since epoch
var totime = Date.now() + 30000; // Example: 30 seconds from now
function updateTimer() {
var now = Date.now();
var diff = totime - now;
if (diff <= 0) {
document.getElementById('timer').innerHTML = '00:00';
clearInterval(timerInterval); // Stop the timer when time is up
return;
}
var minutes = Math.floor(diff / 60000);
var seconds = Math.floor((diff % 60000) / 1000);
document.getElementById('timer').innerHTML =
(minutes < 10 ? '0' : '') + minutes + ':' + (seconds < 10 ? '0' : '') + seconds;
}
var timerInterval = setInterval(updateTimer, 1000); // Update every second
</script>
</body>
</html>
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