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London | May-2025 | Mohamed Ibrahim | Module-Data-Groups | Alarm Clock #563

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London | May-2025 | Mohamed Ibrahim | Module-Data-Groups | Alarm Clock #563

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bb1eceb
My custom Alarm Clock Timer solution
sidicamoli Jul 8, 2025
77fecf5
Clean up index.html with simplified alarm clock layout
sidicamoli Jul 9, 2025
d06d590
Refactored alarm audio setup to comply with edit boundaries
Jul 12, 2025
f0b12cb
Editing index.html
Jul 12, 2025
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45 changes: 44 additions & 1 deletion Sprint-3/alarmclock/alarmclock.js
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Original file line number Diff line number Diff line change
@@ -1,4 +1,44 @@
function setAlarm() {}
let countdown = null;
let remainingSeconds = 0;

function setAlarm() {
const input = document.getElementById("alarmSet");
const timeText = document.getElementById("timeRemaining");

const seconds = parseInt(input.value, 10);

if (isNaN(seconds) || seconds <= 0) {
alert("Enter a number greater than 0");
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nice job thinking about how to handle invalid input

return;
}

// Stop any previous countdown
if (countdown !== null) {
clearInterval(countdown);
}

remainingSeconds = seconds;
updateTimeDisplay();

countdown = setInterval(() => {
remainingSeconds--;

updateTimeDisplay();

if (remainingSeconds <= 0) {
clearInterval(countdown);
countdown = null;
playAlarm();
document.body.style.backgroundColor = "#f99"; // change background
}
}, 1000);
}

function updateTimeDisplay() {
const minutes = String(Math.floor(remainingSeconds / 60)).padStart(2, "0");
const seconds = String(remainingSeconds % 60).padStart(2, "0");
document.getElementById("timeRemaining").textContent = `Time Remaining: ${minutes}:${seconds}`;
}

// DO NOT EDIT BELOW HERE
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We should try to complete the task without editing below this line

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Thanks for the feedback! I moved them above the line as suggested, so nothing below was changed.


Expand All @@ -11,15 +51,18 @@ function setup() {

document.getElementById("stop").addEventListener("click", () => {
pauseAlarm();
document.body.style.backgroundColor = ""; // reset background
});
}

function playAlarm() {
audio.loop = true;
audio.play();
}

function pauseAlarm() {
audio.pause();
audio.currentTime = 0;
}

window.onload = setup;
11 changes: 7 additions & 4 deletions Sprint-3/alarmclock/index.html
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Original file line number Diff line number Diff line change
Expand Up @@ -4,17 +4,20 @@
<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>
<label for="alarmSet">Set time to:</label>
<input id="alarmSet" type="number" />
<h1>Time Remaining: <span id="timeRemaining">00:00</span></h1>

<label for="alarmSet">Set time (seconds):</label>
<input id="alarmSet" type="number" min="1" />

<button id="set" type="button">Set Alarm</button>
<button id="stop" type="button">Stop Alarm</button>
</div>

<script src="alarmclock.js"></script>
</body>
</html>