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London | 26-ITP-May | Khaliun Baatarkhuu | Sprint 3 | Alarm Clock #1372

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London | 26-ITP-May | Khaliun Baatarkhuu | Sprint 3 | Alarm Clock #1372

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c75d3d0
Change title to 'Alarm clock app'
khaliun-dev Aug 3, 2026
ea108ca
Implement alarm countdown display functionality
khaliun-dev Aug 3, 2026
2e2d451
Validate countdown input
khaliun-dev Aug 8, 2026
35d1734
Refactor setAlarm function for better time handling
khaliun-dev Aug 8, 2026
ec05ce8
Validate alarm time input in setAlarm function
khaliun-dev Aug 8, 2026
ec0fc3b
Add pauseAlarm call before displaying time
khaliun-dev Aug 8, 2026
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39 changes: 38 additions & 1 deletion Sprint-3/alarmclock/alarmclock.js
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Original file line number Diff line number Diff line change
@@ -1,4 +1,41 @@
function setAlarm() {}
function displayTime(time) {
const remainingElement = document.getElementById("timeRemaining");
const minutes = String(Math.floor(time / 60)).padStart(2, "0");
const seconds = String(time % 60).padStart(2, "0");
remainingElement.innerText = `Time Remaining: ${minutes}:${seconds}`;
}

let interval;

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

if (!Number.isInteger(time) || time <= 0) {
return;
}

clearInterval(interval);
pauseAlarm();

displayTime(time);

interval = setInterval(() => {
time--;
displayTime(time);

if (time === 0) {
clearInterval(interval);
playAlarm();
}
}, 1000);
}

window.addEventListener("load", () => {
document.getElementById("stop").addEventListener("click", () => {
clearInterval(interval);
});
Comment on lines +34 to +36

@cjyuan cjyuan Aug 8, 2026

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Good touch.

@khaliun-dev khaliun-dev Aug 8, 2026

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@cjyuan I think i figured it out , the sound for the alarm wasn't stopping when the timer restarts, i have added pauseAlarm to solve that

});


// DO NOT EDIT BELOW HERE

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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 app</title>
</head>
<body>
<div class="centre">
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