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London | ITP-SEP25 | Imran Mohamed | Sprint 3 | Alarm Clock #822

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London | ITP-SEP25 | Imran Mohamed | Sprint 3 | Alarm Clock #822

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31 changes: 30 additions & 1 deletion Sprint-3/alarmclock/alarmclock.js
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Original file line number Diff line number Diff line change
@@ -1,4 +1,33 @@
function setAlarm() {}
function setAlarm() {
const alarmSet = document.getElementById("alarmSet").value;
const timeRemaining = document.getElementById("timeRemaining");

let totalSeconds = parseInt(alarmSet);

let countdown = setInterval(() => {
let minutes = Math.floor(totalSeconds / 60);
let seconds = totalSeconds % 60;

timeRemaining.textContent = `Time Remaining: ${String(
minutes
).padStart(2, "0")}:${String(seconds).padStart(2, "0")}`;

if (totalSeconds <= 0) {
clearInterval(countdown);
playAlarm();
let flash = setInterval(() => {
document.body.style.backgroundColor =
document.body.style.backgroundColor === "red" ? "white" : "red";
}, 500);
setTimeout(() => {
clearInterval(flash);
document.body.style.backgroundColor = "white";
}, 5000);
}

totalSeconds--;
}, 1000);
}

// DO NOT EDIT BELOW HERE

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11 changes: 6 additions & 5 deletions Sprint-3/alarmclock/index.html
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Original file line number Diff line number Diff line change
Expand Up @@ -4,16 +4,17 @@
<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" />

<button id="set" type="button">Set Alarm</button>
<button id="stop" type="button">Stop Alarm</button>
<input id="alarmSet" type="number" min="1" />
<div class="buttons">
<button id="set" type="button">Set Alarm</button>
<button id="stop" type="button">Stop Alarm</button>
</div>
</div>
<script src="alarmclock.js"></script>
</body>
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