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London | 26-ITP-Jan | Xuanming Hu | Sprint 3 | Alarm Clock App #1115

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London | 26-ITP-Jan | Xuanming Hu | Sprint 3 | Alarm Clock App #1115

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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
@@ -1,4 +1,32 @@
function setAlarm() {}
let countdownInterval;

function setAlarm() {
const inputElement = document.getElementById("alarmSet");
const timeDisplay = document.getElementById("timeRemaining");

let timeRemaining = parseInt(inputElement.value, 10) || 0;

clearInterval(countdownInterval);

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

updateDisplay();

countdownInterval = setInterval(() => {
timeRemaining--;

if (timeRemaining < 0) {
clearInterval(countdownInterval);
playAlarm();
} else {
updateDisplay();
}
}, 1000);
}

// DO NOT EDIT BELOW HERE

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6 changes: 3 additions & 3 deletions Sprint-3/alarmclock/index.html
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Original file line number Diff line number Diff line change
@@ -1,16 +1,16 @@
<!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>
<label for="alarmSet">Set time to:</label>
<input id="alarmSet" type="number" />
<input id="alarmSet" type="number" min="0" />

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