Skip to content

London | 25-ITP-Sep | Adnaan Abo | Sprint 3 | Alarmclock #812

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
wants to merge 2 commits into
base: main
Choose a base branch
from
Open

London | 25-ITP-Sep | Adnaan Abo | Sprint 3 | Alarmclock #812

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
80ba7b4
building alarmclock
AdnaanA Oct 30, 2025
3724883
Added validation and colour changes to when alarm starts and ends
AdnaanA Oct 30, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
61 changes: 60 additions & 1 deletion Sprint-3/alarmclock/alarmclock.js
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,4 +1,63 @@
function setAlarm() {}
let countdownInterval;

function setAlarm() {
const input = document.getElementById("alarmSet");
let seconds = Number(input.value);

// Validation: Check if the input is a valid positive number
if (isNaN(seconds) || seconds <= 0) {
alert("Please enter a valid positive number for seconds.");
return; // Stop the function if the input is invalid
}

updateAlarmDisplay(seconds);

// Change the background color to green when the timer starts
document.body.style.backgroundColor = "green";

// Clear any existing interval
clearInterval(countdownInterval);

countdownInterval = window.setInterval(() => {
seconds--;
if (seconds <= 0) {
clearInterval(countdownInterval);
updateAlarmDisplay(0);
// Change the background color to red when alarm hits zero
document.body.style.backgroundColor = "red";
playAlarm(); // Assuming you have a playAlarm function defined elsewhere
} else {
updateAlarmDisplay(seconds);
}
}, 1000);
}

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

function stopAlarm() {
// Clear the countdown interval
clearInterval(countdownInterval);
countdownInterval = null;

// Reset the background color and the displayed time
document.body.style.backgroundColor = "";
updateAlarmDisplay(0); // Reset to 00:00
}

// Add event listeners to buttons
document.getElementById("set").addEventListener("click", setAlarm);
document.getElementById("stop").addEventListener("click", stopAlarm);

window.setAlarm = setAlarm;
window.updateAlarmDisplay = updateAlarmDisplay;
window.stopAlarm = stopAlarm;

// DO NOT EDIT BELOW HERE

Expand Down
2 changes: 1 addition & 1 deletion Sprint-3/alarmclock/index.html
View file
Open in desktop
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>alarmclock</title>
</head>
<body>
<div class="centre">
Expand Down