diff --git a/Sprint-3/alarmclock/alarmclock.js b/Sprint-3/alarmclock/alarmclock.js
index 6ca81cd3b..4daa8f240 100644
--- a/Sprint-3/alarmclock/alarmclock.js
+++ b/Sprint-3/alarmclock/alarmclock.js
@@ -1,4 +1,41 @@
-function setAlarm() {}
+let currentIntervalId = null;
+
+function setAlarm() {
+ const input = document.getElementById("alarmSet");
+ const heading = document.getElementById("timeRemaining");
+
+ let secondsRemaining = Number(input.value);
+
+ if (!secondsRemaining || secondsRemaining <= 0) {
+ heading.innerText = "Please enter a number of seconds greater than 0";
+ return;
+ }
+
+ function updateDisplay() {
+ const minutes = Math.floor(secondsRemaining / 60);
+ const seconds = secondsRemaining % 60;
+ const paddedMinutes = String(minutes).padStart(2, "0");
+ const paddedSeconds = String(seconds).padStart(2, "0");
+ heading.innerText = Time Remaining: ${paddedMinutes}:${paddedSeconds};
+ }
+
+ updateDisplay();
+
+ if (currentIntervalId !== null) {
+ clearInterval(currentIntervalId);
+ }
+
+ currentIntervalId = setInterval(() => {
+ secondsRemaining--;
+ updateDisplay();
+
+ if (secondsRemaining <= 0) {
+ clearInterval(currentIntervalId);
+ currentIntervalId = null;
+ playAlarm();
+ }
+ }, 1000);
+}
// DO NOT EDIT BELOW HERE
@@ -23,3 +60,4 @@ function pauseAlarm() {
}
window.onload = setup;
+
diff --git a/Sprint-3/alarmclock/index.html b/Sprint-3/alarmclock/index.html
index 48e2e80d9..4a91379d3 100644
--- a/Sprint-3/alarmclock/index.html
+++ b/Sprint-3/alarmclock/index.html
@@ -4,7 +4,7 @@
- Title here
+ Alarm Clock App