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London | 26-ATP-Jan | Boualem Larbi Djebbour | sprint 3 | Alarm clock app #1144

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London | 26-ATP-Jan | Boualem Larbi Djebbour | sprint 3 | Alarm clock app #1144

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85f593a
changed the title element to "Alarm clock app"
djebsoft Mar 24, 2026
7b2351b
implementing alarm clock functionality
djebsoft Mar 28, 2026
3be2859
Merge branch 'main' into AlarmClock
djebsoft Mar 28, 2026
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49 changes: 48 additions & 1 deletion Sprint-3/alarmclock/alarmclock.js
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Original file line number Diff line number Diff line change
@@ -1,5 +1,52 @@
function setAlarm() {}
//global variables: 1- userInput, 2- timeRemaining, 3- stop, 4- seconds, 5- minutes

// get access to the "input" element
const userInput = document.querySelector("#alarmSet");
// get access to the "timeRemaining" element
const timeRemaining = document.querySelector("#timeRemaining");
// get access to the "stop" button
const stop = document.querySelector("#stop");
let seconds = 0;
let minutes = 0;

function main() {
// add an event listener to the "input" element that will call the counterUpdate function when clicked on
document.getElementById("alarmSet").addEventListener("click", counterUpdate);
}

// define the function that will update the counter
function counterUpdate() {
// local variables: useInputValue
// get the value of the input element.
const userInputValue = userInput.value;
// check if the input is equal to or greater than 0
if (userInputValue >= 0) {
minutes = Math.floor(userInputValue / 60);
seconds = userInputValue % 60;
// if it is, update the TimeRemaining element to show the real time remaining in minutes and seconds.
timeRemaining.innerText = `Time Remaining: ${minutes.toString().padStart(2, "0")}:${seconds.toString().padStart(2, "0")}`;
}
}

// define the function that will count down the time remaining every second and update the remaining time on the page
function setAlarm() {
// use setInterval to call a function every second that will decrease the time remaining by 1 second.
const interval = setInterval(() => {
if (seconds > 0) {
seconds--;
timeRemaining.innerText = `Time Remaining: ${minutes.toString().padStart(2, "0")}:${seconds.toString().padStart(2, "0")}`;
} else if (minutes > 0) {
minutes--;
seconds = 59;
timeRemaining.innerText = `Time Remaining: ${minutes.toString().padStart(2, "0")}:${seconds.toString().padStart(2, "0")}`;
} else {
clearInterval(interval);
userInput.value = "";
playAlarm();
}
}, 1000);
}
main();
// DO NOT EDIT BELOW HERE

var audio = new Audio("alarmsound.mp3");
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4 changes: 2 additions & 2 deletions Sprint-3/alarmclock/index.html
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Original file line number Diff line number Diff line change
@@ -1,10 +1,10 @@
<!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">
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