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London | 26-ITP-May | Ebrahim Moqbel | sprint 3 | Alarm clock#1442

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London | 26-ITP-May | Ebrahim Moqbel | sprint 3 | Alarm clock #1442

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59b38f4
added a title to index.html
Ebrahim-Moqbel Aug 20, 2026
d281f82
implemented the function format time
Ebrahim-Moqbel Aug 20, 2026
0316d66
implemented the function setAlarm
Ebrahim-Moqbel Aug 20, 2026
4c30695
Merge branch 'main' into coursework/sprint-3-alarmclock
Ebrahim-Moqbel Aug 20, 2026
bf1c808
I refactored the functionality of displaying the alarm clock with the…
Ebrahim-Moqbel Aug 21, 2026
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52 changes: 51 additions & 1 deletion Sprint-3/alarmclock/alarmclock.js
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Original file line numberDiff line numberDiff line change
@@ -1,4 +1,54 @@
function setAlarm() {}
let intervalId = null;
let totalSeconds = 0;
const input = document.getElementById("alarmSet");
const timeRemaining = document.getElementById("timeRemaining");
const message = document.getElementById("message");

function formatTime(seconds) {
const minutes = Math.floor(seconds / 60);
const secs = seconds % 60;
return `${String(minutes).padStart(2, "0")}:${String(secs).padStart(2, "0")}`;
}
function updateDisplay() {
timeRemaining.textContent = `Time Remaining: ${formatTime(totalSeconds)}`;
}

function resetAlarm() {
clearInterval(intervalId);
intervalId = null;
audio.pause();
audio.currentTime = 0;
}
function getTime() {
const time = Number(input.value);
if (!(Number.isInteger(time) && time >= 1)) {
message.textContent = "Enter a valid number";
return null;
}
return time;
}

function setAlarm() {
const time = getTime();
if (time === null) {
return;
}

resetAlarm();
totalSeconds = time;
updateDisplay();

intervalId = setInterval(() => {
totalSeconds--;
updateDisplay();

if (totalSeconds <= 0) {
clearInterval(intervalId);
intervalId = null;
playAlarm();
}
}, 1000);
}

// DO NOT EDIT BELOW HERE

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5 changes: 3 additions & 2 deletions Sprint-3/alarmclock/index.html
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Original file line numberDiff line numberDiff line change
@@ -1,14 +1,15 @@
<!DOCTYPE html>
<!doctype html>
<html lang="en">
<head>
<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">
<h1 id="timeRemaining">Time Remaining: 00:00</h1>
<h2 id="message"></h2>
<label for="alarmSet">Set time to:</label>
<input id="alarmSet" type="number" />

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