diff --git a/Sprint-3/alarmclock/alarmclock.js b/Sprint-3/alarmclock/alarmclock.js
index 6ca81cd3b..142916055 100644
--- a/Sprint-3/alarmclock/alarmclock.js
+++ b/Sprint-3/alarmclock/alarmclock.js
@@ -1,4 +1,30 @@
-function setAlarm() {}
+const timeInput = document.querySelector("#alarmSet");
+const timeRemaining = document.querySelector("#timeRemaining");
+const setAlarmButton = document.querySelector("#set");
+setAlarmButton.addEventListener("click", setAlarm);
+
+let currentCountdown;
+function setAlarm() {
+ if (currentCountdown) {
+ clearInterval(currentCountdown);
+ }
+ let totalSeconds = Number(timeInput.value);
+
+ currentCountdown = setInterval(() => {
+ const minutes = Math.floor(totalSeconds / 60);
+ const seconds = totalSeconds % 60;
+ const paddedMinutes = minutes.toString().padStart(2, "0");
+ const paddedSeconds = seconds.toString().padStart(2, "0");
+ timeRemaining.innerText = `Time Remaining:${paddedMinutes}:${paddedSeconds}`;
+ if (totalSeconds <= 0) {
+ clearInterval(currentCountdown);
+ currentCountdown = null;
+ playAlarm();
+ return;
+ }
+ totalSeconds--;
+ }, 1000);
+}
// DO NOT EDIT BELOW HERE
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