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Glasgow | Jan-26 | Elisabeth Matulian | Sprint 3 | Alarm clock app #1020

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Glasgow | Jan-26 | Elisabeth Matulian | Sprint 3 | Alarm clock app #1020

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188f02b
copmleted alarm clock app
Elisabeth-Matulian Mar 16, 2026
cd7d038
updated alarm clock app
Elisabeth-Matulian Mar 23, 2026
ac9e932
Fix countdown display and create var to avoid bloating
Elisabeth-Matulian Mar 26, 2026
9b5df1e
stop listener added
Elisabeth-Matulian Mar 27, 2026
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48 changes: 47 additions & 1 deletion Sprint-3/alarmclock/alarmclock.js
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Original file line number Diff line number Diff line change
@@ -1,4 +1,50 @@
function setAlarm() {}
const timeRemaining = document.querySelector("#timeRemaining");

let intervalId; //declared here so that I can use it in line-17, before asigning on line 21.
const alarmSetInput = document.querySelector("#alarmSet");

function setAlarm() {

// I will use the function showTime twice, one for showing the time just after the user clicks the set button and another one for updating the time every second in countdown function
function showTime(inputValue) {
// getting the mins & sec from the inputValue(line19) in appropriate format
const minutes = Math.floor(inputValue / 60)
.toString()
.padStart(2, "0");
const seconds = (inputValue % 60).toString().padStart(2, "0");
//Gathering everything together and outputing remaining time
timeRemaining.innerText = `Time Remaining: ${minutes}:${seconds}`;
}
//the next line in case if we want to reset the time for alarm
clearInterval(intervalId);
// getting user's input value in number format
let inputValue = Number(alarmSetInput.value);
if (inputValue <= 0) {
timeRemaining.innerText = "Enter a positive number.";
alarmSetInput.value = "";
return;
}
showTime(inputValue);
intervalId = setInterval(countdown, 1000);

function countdown() {
if (inputValue > 0) {
inputValue--;
showTime(inputValue);
}
// When the inputValue is 0, play the alarm and clear interval so that the function stops initialising
else {
playAlarm();
clearInterval(intervalId);
alarmSetInput.value = "";
}
}
}
document.getElementById("stop").addEventListener("click", () => {
clearInterval(intervalId);
timeRemaining.innerText = `Time Remaining: 00:00`;
alarmSetInput.value = "";
});

// DO NOT EDIT BELOW HERE

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2 changes: 1 addition & 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">
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6 changes: 5 additions & 1 deletion Sprint-3/alarmclock/package.json
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Original file line number Diff line number Diff line change
Expand Up @@ -13,5 +13,9 @@
"bugs": {
"url": "https://github.com/CodeYourFuture/CYF-Coursework-Template/issues"
},
"homepage": "https://github.com/CodeYourFuture/CYF-Coursework-Template#readme"
"homepage": "https://github.com/CodeYourFuture/CYF-Coursework-Template#readme",
"devDependencies": {
"@testing-library/jest-dom": "^6.9.1",
"jest-environment-jsdom": "^30.3.0"
}
}
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