diff --git a/Sprint-3/alarmclock/alarmclock.js b/Sprint-3/alarmclock/alarmclock.js
index 6ca81cd3b..f11f60f02 100644
--- a/Sprint-3/alarmclock/alarmclock.js
+++ b/Sprint-3/alarmclock/alarmclock.js
@@ -1,5 +1,41 @@
-function setAlarm() {}
+let intervalId;
+function setAlarm() {
+ const input = document.getElementById("alarmSet");
+ let time = Number(input.value);
+
+ const heading = document.getElementById("timeRemaining");
+
+ clearInterval(intervalId);
+
+ function format(num) {
+ if (num < 10) return "0" + num;
+ return num;
+ }
+
+ heading.innerText =
+ "Time Remaining: " +
+ format(Math.floor(time / 60)) +
+ ":" +
+ format(time % 60);
+
+ intervalId = setInterval(() => {
+ time--;
+
+ if (time <= 0) {
+ heading.innerText = "Time Remaining: 00:00";
+ clearInterval(intervalId);
+ playAlarm();
+ return;
+ }
+
+ heading.innerText =
+ "Time Remaining: " +
+ format(Math.floor(time / 60)) +
+ ":" +
+ format(time % 60);
+ }, 1000);
+}
// DO NOT EDIT BELOW HERE
var audio = new Audio("alarmsound.mp3");
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
diff --git a/Sprint-3/package.json b/Sprint-3/package.json
index 711a5390f..c58a56a6b 100644
--- a/Sprint-3/package.json
+++ b/Sprint-3/package.json
@@ -26,7 +26,7 @@
"@testing-library/dom": "^10.4.0",
"@testing-library/jest-dom": "^6.6.3",
"@testing-library/user-event": "^14.6.1",
- "jest": "^30.0.4",
+ "jest": "^30.2.0",
"jest-environment-jsdom": "^30.0.4"
}
}