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London | 26-ITP-May | Dipa Sarker | Sprint 3 | Alarm Clock App #1294

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London | 26-ITP-May | Dipa Sarker | Sprint 3 | Alarm Clock App #1294

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50 changes: 50 additions & 0 deletions Sprint-3/alarmclock/alarmclock.js
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Original file line number Diff line number Diff line change
Expand Up @@ -23,3 +23,53 @@ function pauseAlarm() {
}

window.onload = setup;

const timeRemainingElement = document.querySelector("#timeRemaining");
const alarmSetElement = document.querySelector("#alarmSet");
const setButtonElement = document.querySelector("#set");
const stopButtonElement = document.querySelector("#stop");
const bodyElement = document.querySelector("body");
const alarmSoundElement = document.querySelector("#alarmSound");

let remainingTime;
let intervalID;
function triggerAlarm() {
bodyElement.style.backgroundColor = "yellow";
alarmSoundElement.play();
}
function setAlarm() {
clearInterval(intervalID);
const alarmTime = alarmSetElement.value;
remainingTime = Number(alarmTime);
const showTimeMinutes = Math.floor(remainingTime / 60)
.toString()
.padStart(2, "0");
const showTimeSeconds = (remainingTime % 60).toString().padStart(2, "0");
timeRemainingElement.innerText = showTimeMinutes + ":" + showTimeSeconds;
if (remainingTime === 0) {
triggerAlarm();
} else {
intervalID = setInterval(countDown, 1000);
}
}
setButtonElement.addEventListener("click", setAlarm);
function countDown() {
if (remainingTime <= 0) {
clearInterval(intervalID);
triggerAlarm();
return;
}
remainingTime -= 1;
const remainingMinutes = Math.floor(remainingTime / 60)
.toString()
.padStart(2, "0");
const remainingSeconds = (remainingTime % 60).toString().padStart(2, "0");
timeRemainingElement.innerText = remainingMinutes + ":" + remainingSeconds;
}
function stopAlarm() {
clearInterval(intervalID);
alarmSoundElement.pause();
alarmSoundElement.currentTime = 0;
bodyElement.style.backgroundColor = "";
}
stopButtonElement.addEventListener("click", stopAlarm);
3 changes: 2 additions & 1 deletion Sprint-3/alarmclock/index.html
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Original file line number Diff line number Diff line change
Expand Up @@ -4,13 +4,14 @@
<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" />
<audio id="alarmSound" src="alarmsound.mp3" loop></audio>

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