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Manchester | ITP May 2025 | Chukwuemeke Ajuebor | Sprint 3 | Alarm clock app #778

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Manchester | ITP May 2025 | Chukwuemeke Ajuebor | Sprint 3 | Alarm clock app #778

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1c40c3e
set_title_on_html_page
AjueborChukwuemeke Aug 17, 2025
926063e
implementation
AjueborChukwuemeke Aug 17, 2025
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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
@@ -1,4 +1,51 @@
function setAlarm() {}
//this variable holds the time independent of the function
let Timer = null;

function setAlarm() {
//this pulls the set time from whatever is entered as input on the html page
let inputValue = document.getElementById("alarmSet").value;

let remainingTime = Number(inputValue);

if (isNaN(remainingTime) || remainingTime <= 0) {
return;
}

//Time on screen in MM:SS format
updateTimerDisplay(remainingTime);

if (Timer !== null) {
clearInterval(Timer);
}

Timer = setInterval(function () {
remainingTime = remainingTime - 1; //timer is reduced by 1 second

updateTimerDisplay(remainingTime); //then updated

// When timer hits zero, stop timer and play alarm
if (remainingTime <= 0) {
clearInterval(Timer);
playAlarm();
}
}, 1000);
}


function updateTimerDisplay(seconds) {
let minutes = Math.floor(seconds / 60);
let secs = seconds % 60;

// Puts the figures in strings and in a clock-like format
let minuteStr = String(minutes).padStart(2, "0");
let secondStr = String(secs).padStart(2, "0");

// Update the heading text
document.getElementById(
"timeRemaining"
).innerText = `Time Remaining: ${minuteStr}:${secondStr}`;

}

// 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</title>
</head>
<body>
<div class="centre">
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