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Glasgow | 25-ITP-Sep | Mohammed Abdoon | Sprint 3| Alarm Clock #848

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Glasgow | 25-ITP-Sep | Mohammed Abdoon | Sprint 3| Alarm Clock #848

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66654b6
alarm clock exercise done
M-Abdoon Nov 15, 2025
85550ac
alarmclock.js updated
M-Abdoon Nov 22, 2025
f3a6968
alarmclock.js updated
M-Abdoon Nov 22, 2025
c5f92eb
Change title to 'Alarm clock app'
M-Abdoon Nov 22, 2025
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3 changes: 2 additions & 1 deletion Sprint-3/alarmclock/index.html → Sprint-3/alarmclock/alarmclock.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">
Expand All @@ -13,6 +13,7 @@ <h1 id="timeRemaining">Time Remaining: 00:00</h1>
<input id="alarmSet" type="number" />

<button id="set" type="button">Set Alarm</button>
<button id="pause" type="button">Pause Alarm</button>
<button id="stop" type="button">Stop Alarm</button>
</div>
<script src="alarmclock.js"></script>
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30 changes: 29 additions & 1 deletion Sprint-3/alarmclock/alarmclock.js
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Original file line number Diff line number Diff line change
@@ -1,10 +1,38 @@
function setAlarm() {}
function setAlarm() {
const timer = Number(document.querySelector("#alarmSet").value);
const timeRemainingEl = document.querySelector("#timeRemaining");

let targetTime = new Date().getTime() + timer * 1000;

const doAlarm = setInterval( () => {
const timeThisSecond = new Date().getTime();
const timeDifference = targetTime - timeThisSecond;
const secondsLeft = Math.max(0, Math.ceil(timeDifference / 1000));

timeRemainingEl.innerHTML = `Time Remaining: ${formatTimeMMSS(secondsLeft)}`;

if (secondsLeft === 0) {
playAlarm();
clearInterval(doAlarm);
}
}, 1000);
}

function formatTimeMMSS (seconds) {
const minutes = Math.floor(seconds / 60);
seconds = seconds % 60;
return `${String(minutes).padStart(2,"0")}:${String(seconds).padStart(2,"0")}`;
}
// DO NOT EDIT BELOW HERE

var audio = new Audio("alarmsound.mp3");

function setup() {
document.getElementById("pause").addEventListener("click", () => {
pauseAlarm();
clearInterval(doAlarm);
});

Comment on lines +31 to +35
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@AbogeJr AbogeJr Nov 22, 2025

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Not quite. We're not supposed to edit the code in this section. Please check again.

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@M-Abdoon M-Abdoon Nov 22, 2025

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Done. I changed its place.

document.getElementById("set").addEventListener("click", () => {
setAlarm();
});
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