diff --git a/Sprint-3/alarmclock/alarmclock.js b/Sprint-3/alarmclock/alarmclock.js
index 6ca81cd3b..1e5d2f9e8 100644
--- a/Sprint-3/alarmclock/alarmclock.js
+++ b/Sprint-3/alarmclock/alarmclock.js
@@ -1,4 +1,35 @@
-function setAlarm() {}
+let remainingSeconds = 0;
+let intervalId;
+function setAlarm() {
+ clearInterval(intervalId);
+
+ const initialSeconds = Number(document.getElementById("alarmSet").value);
+ remainingSeconds = initialSeconds;
+
+ let minutesDisplay = Math.floor(initialSeconds / 60)
+ .toString()
+ .padStart(2, "0");
+ let secondsDisplay = Math.floor(initialSeconds % 60)
+ .toString()
+ .padStart(2, "0");
+ let timeRemainingHeading = document.getElementById("timeRemaining");
+ timeRemainingHeading.innerText = `Time Remaining: ${minutesDisplay}:${secondsDisplay}`;
+
+ intervalId = setInterval(() => {
+ remainingSeconds--;
+ let currentMinutes = Math.floor(remainingSeconds / 60)
+ .toString()
+ .padStart(2, "0");
+ let currentSeconds = Math.floor(remainingSeconds % 60)
+ .toString()
+ .padStart(2, "0");
+ timeRemainingHeading.innerText = `Time Remaining: ${currentMinutes}:${currentSeconds}`;
+ if (remainingSeconds === 0) {
+ clearInterval(intervalId);
+ playAlarm();
+ }
+ }, 1000);
+}
// DO NOT EDIT BELOW HERE
diff --git a/Sprint-3/alarmclock/index.html b/Sprint-3/alarmclock/index.html
index 48e2e80d9..1e824a97b 100644
--- a/Sprint-3/alarmclock/index.html
+++ b/Sprint-3/alarmclock/index.html
@@ -4,7 +4,8 @@
- Title here
+ Alarm clock app
+