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Glasgow | May-2025 | Mansoor Munawar | Sprint 3 | alarm clock #769

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Glasgow | May-2025 | Mansoor Munawar | Sprint 3 | alarm clock #769

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ebb96c2
Implement countdown timer functionality in alarm clock
MansoorM11 Aug 15, 2025
4ced47d
Update title in index.html to reflect correct application name
MansoorM11 Aug 15, 2025
bf7dfb9
Fix alarm input validation and improve alert messages
MansoorM11 Aug 17, 2025
fc00058
Fix typo in alarm time validation condition
MansoorM11 Aug 17, 2025
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54 changes: 53 additions & 1 deletion Sprint-3/alarmclock/alarmclock.js
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Original file line number Diff line number Diff line change
@@ -1,5 +1,57 @@
function setAlarm() {}
let countDown;
let remainingSeconds = 0;

function setAlarm() {
let timeRemaining = document.getElementById("timeRemaining");
let alarmSet = document.getElementById("alarmSet").value;

remainingSeconds = parseInt(alarmSet);

if (isNaN(remainingSeconds) || remainingSeconds <= 0) {
alert("please enter a value greater than zero!");
return;
}

if (remainingSeconds > 86400) {
alert("Please enter a time less than 24 hourse (86,400)");
return;
}
displayTime();

if (countDown) {
clearInterval(countDown);
}
countDown = setInterval(timer, 1000);
}

function displayTime() {
let timeRemaining = document.getElementById("timeRemaining");
let hour = Math.floor(remainingSeconds / 3600);
let minutes = Math.floor((remainingSeconds % 3600) / 60);
let seconds = Math.floor(remainingSeconds % 60);

if (minutes < 10) {
minutes = "0" + minutes;
}
if (seconds < 10) {
seconds = "0" + seconds;
}

if (hour > 0) {
timeRemaining.textContent = `Time Remaining: ${hour}:${minutes}:${seconds}`;
} else {
timeRemaining.textContent = `Time Remaining: ${minutes}:${seconds}`;
}
}

function timer() {
remainingSeconds--;
displayTime();
if (remainingSeconds <= 0) {
clearInterval(countDown);
playAlarm();
}
}
// DO NOT EDIT BELOW HERE

var audio = new Audio("alarmsound.mp3");
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2 changes: 1 addition & 1 deletion Sprint-3/alarmclock/index.html
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Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,7 @@
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<link rel="stylesheet" href="style.css" />
<title>Title here</title>
<title>Alarm Clock</title>
</head>
<body>
<div class="centre">
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