diff --git a/Sprint-3/alarmclock/alarmclock.js b/Sprint-3/alarmclock/alarmclock.js
index 6ca81cd3b..6dc0d18ed 100644
--- a/Sprint-3/alarmclock/alarmclock.js
+++ b/Sprint-3/alarmclock/alarmclock.js
@@ -1,4 +1,65 @@
function setAlarm() {}
+const display = document.querySelector("#timeRemaining");
+const totalSeconds = document.querySelector("#alarmSet");
+const setButton = document.querySelector("#set");
+const stopButton = document.querySelector("#stop");
+let conuntdownInterval;
+
+// time management function
+function formatTime(totalSeconds) {
+ const minutes = Math.floor(totalSeconds / 60);
+ const seconds = totalSeconds % 60;
+
+ const paddedMinutes = String(minutes).padStart(2, "0");
+ const paddedSeconds = String(seconds).padStart(2, "0");
+ return `Time Remaining: ${paddedMinutes}:${paddedSeconds}`;
+}
+
+// to clear every change made with conditions
+function clearEverything() {
+ display.style.color = "black";
+ setButton.disabled = false;
+ document.body.style.background = "";
+}
+
+// button event handler
+setButton.addEventListener("click", () => {
+ let timeleft = Number(totalSeconds.value);
+ setButton.disabled = true;
+
+ // time 0
+
+ if (timeleft <= 0) {
+ alert("please enter a number greater than 0!");
+ return;
+ }
+
+ display.textContent = formatTime(timeleft);
+
+ conuntdownInterval = setInterval(() => {
+ if (timeleft == 0) {
+ clearInterval(conuntdownInterval);
+ document.body.style.backgroundColor = "grey";
+ playAlarm();
+ }
+
+ if (timeleft <= 10) {
+ display.style.color = "red";
+ }
+
+ if (timeleft >= 0) {
+ display.textContent = formatTime(timeleft);
+ timeleft--;
+ }
+ }, 1000);
+});
+
+//stop button clicked
+stopButton.addEventListener("click", () => {
+ clearInterval(conuntdownInterval);
+ clearEverything();
+ pauseAlarm();
+});
// DO NOT EDIT BELOW HERE
diff --git a/Sprint-3/alarmclock/index.html b/Sprint-3/alarmclock/index.html
index 48e2e80d9..66748001e 100644
--- a/Sprint-3/alarmclock/index.html
+++ b/Sprint-3/alarmclock/index.html
@@ -1,10 +1,10 @@
-
+
- Title here
+ Alarm clock app