diff --git a/Sprint-3/alarmclock/alarmclock.js b/Sprint-3/alarmclock/alarmclock.js
index 6ca81cd3b..394864b7b 100644
--- a/Sprint-3/alarmclock/alarmclock.js
+++ b/Sprint-3/alarmclock/alarmclock.js
@@ -1,4 +1,48 @@
-function setAlarm() {}
+let countdown = null;
+
+function updateDisplay(time) {
+ const timeDisplay = document.getElementById("timeRemaining");
+ let minutes = Math.floor(time / 60)
+ .toString()
+ .padStart(2, "0");
+ let seconds = (time % 60).toString().padStart(2, "0");
+ timeDisplay.innerText = "Time Remaining: " + minutes + ":" + seconds;
+}
+
+function resetAlarm() {
+ if (countdown !== null) {
+ clearInterval(countdown);
+ countdown = null;
+ }
+
+ pauseAlarm();
+ audio.currentTime = 0;
+ updateDisplay(0);
+}
+
+function setAlarm() {
+ resetAlarm();
+
+ let secondsLeft = parseInt(document.getElementById("alarmSet").value, 10);
+
+ if (isNaN(secondsLeft) || secondsLeft <= 0) {
+ updateDisplay(0);
+ return;
+ }
+
+ updateDisplay(secondsLeft);
+
+ countdown = setInterval(() => {
+ secondsLeft = secondsLeft - 1;
+ updateDisplay(secondsLeft);
+
+ if (secondsLeft <= 0) {
+ clearInterval(countdown);
+ countdown = null;
+ playAlarm();
+ }
+ }, 1000);
+}
// DO NOT EDIT BELOW HERE
@@ -12,6 +56,13 @@ function setup() {
document.getElementById("stop").addEventListener("click", () => {
pauseAlarm();
});
+
+ document.getElementById("stop").addEventListener("click", () => {
+ if (countdown !== null) {
+ clearInterval(countdown);
+ countdown = null;
+ }
+ });
}
function playAlarm() {
@@ -22,4 +73,4 @@ function pauseAlarm() {
audio.pause();
}
-window.onload = setup;
+window.onload = setup;
\ No newline at end of file
diff --git a/Sprint-3/alarmclock/index.html b/Sprint-3/alarmclock/index.html
index 48e2e80d9..ff2d3b453 100644
--- a/Sprint-3/alarmclock/index.html
+++ b/Sprint-3/alarmclock/index.html
@@ -4,7 +4,7 @@
- Title here
+ Alarm clock app