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London | ITP-May-2025 | Hibo Sharif | Module-Data-Groups | Alarm clock #584

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London | ITP-May-2025 | Hibo Sharif | Module-Data-Groups | Alarm clock #584

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46 changes: 44 additions & 2 deletions Sprint-3/alarmclock/alarmclock.js
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Original file line number Diff line number Diff line change
@@ -1,5 +1,41 @@
function setAlarm() {}
let timeRemaining = 0;
let timerAlarm = null;
let timerPaused = false;

function setAlarm() {
const input = document.getElementById("alarmSet").value;
timeRemaining = parseInt(input, 10);

if (!timeRemaining || timeRemaining <= 0) {
alert("Please only numbers above 0");
return;
}
timerPaused = false;
updateDisplay();

if (timerAlarm) clearInterval(timerAlarm);

timerAlarm = setInterval(() => {
if (!timerPaused) {
timeRemaining--;
console.log("Time left:", timeRemaining);
updateDisplay();

if (timeRemaining <= 0) {
clearInterval(timerAlarm);
playAlarm();
}
}
}, 1000);
}

function updateDisplay() {
const minutes = String(Math.floor(timeRemaining / 60)).padStart(2, "0");
const seconds = String(timeRemaining % 60).padStart(2, "0");
document.getElementById(
"timeRemaining"
).innerText = `Time Remaining: ${minutes}: ${seconds}`;
}
// DO NOT EDIT BELOW HERE

var audio = new Audio("alarmsound.mp3");
Expand All @@ -8,18 +44,24 @@ function setup() {
document.getElementById("set").addEventListener("click", () => {
setAlarm();
});

document.getElementById("stop").addEventListener("click", () => {
pauseAlarm();
});
}
document.getElementById("pause").addEventListener("click", togglePause);

function playAlarm() {
audio.play();
document.body.classList.add("flash");
}

function pauseAlarm() {
audio.pause();
document.body.classList.remove("flash");
}

function togglePause() {
timerPaused = !timerPaused;
}

window.onload = setup;
3 changes: 2 additions & 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">
Expand All @@ -14,6 +14,7 @@ <h1 id="timeRemaining">Time Remaining: 00:00</h1>

<button id="set" type="button">Set Alarm</button>
<button id="stop" type="button">Stop Alarm</button>
<button id="pause" type="button">Pause Alarm</button>
</div>
<script src="alarmclock.js"></script>
</body>
Expand Down
9 changes: 9 additions & 0 deletions Sprint-3/alarmclock/style.css
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Original file line number Diff line number Diff line change
Expand Up @@ -13,3 +13,12 @@
h1 {
text-align: center;
}
.flash {
animation: flash-bg 1s infinite;
}

@keyframes flash-bg {
0% {background-color: white;}
50%{background-color: rgb(236, 160, 213);}
100%{background-color: white;}
}