From f9ffdd6fbc0a76d0b6840d8bfead35f0019e2597 Mon Sep 17 00:00:00 2001
From: khalidbih <kain19m@hotmail.com>
Date: Mon, 30 Mar 2026 00:27:57 +0100
Subject: [PATCH 1/2] Add working alarm clock with countdown and sound

---
 Sprint-3/alarmclock/alarmclock.js | 32 ++++++++++++++++++++++++++++++-
 1 file changed, 31 insertions(+), 1 deletion(-)

diff --git a/Sprint-3/alarmclock/alarmclock.js b/Sprint-3/alarmclock/alarmclock.js
index 6ca81cd3b..3303f9bac 100644
--- a/Sprint-3/alarmclock/alarmclock.js
+++ b/Sprint-3/alarmclock/alarmclock.js
@@ -1,4 +1,34 @@
-function setAlarm() {}
+function setAlarm() {
+  let timer;
+
+  const input = document.getElementById("alarmSet").value;
+  let timeLeft = Number(input);
+
+  updateDisplay(timeLeft);
+
+  clearInterval(timer);
+
+  timer = setInterval(() => {
+    timeLeft--;
+
+    updateDisplay(timeLeft);
+
+    if (timeLeft <= 0) {
+      clearInterval(timer);
+      playAlarm();
+      document.body.style.backgroundColor = "red";
+    }
+  }, 1000);
+}
+
+function updateDisplay(secondsLeft) {
+  const heading = document.getElementById("timeRemaining");
+
+  const minutes = Math.floor(secondsLeft / 60);
+  const seconds = secondsLeft % 60;
+
+  heading.innerText = `Time Remaining: ${String(minutes).padStart(2, "0")}:${String(seconds).padStart(2, "0")}`;
+}
 
 // DO NOT EDIT BELOW HERE
 

From b0576a06b6fb298c56da1ca76f145148ab04caf6 Mon Sep 17 00:00:00 2001
From: khalidbih <kain19m@hotmail.com>
Date: Sun, 5 Apr 2026 16:26:31 +0100
Subject: [PATCH 2/2] Fix input validation and timer handling in alarm clock

---
 Sprint-3/alarmclock/alarmclock.js | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/Sprint-3/alarmclock/alarmclock.js b/Sprint-3/alarmclock/alarmclock.js
index 3303f9bac..1fdaf20e6 100644
--- a/Sprint-3/alarmclock/alarmclock.js
+++ b/Sprint-3/alarmclock/alarmclock.js
@@ -1,11 +1,21 @@
-function setAlarm() {
-  let timer;
+let timer;
 
+function setAlarm() {
   const input = document.getElementById("alarmSet").value;
   let timeLeft = Number(input);
 
   updateDisplay(timeLeft);
 
+  if (input === "" || isNaN(timeLeft)) {
+    return;
+  }
+
+  if (timeLeft < 0) {
+    return;
+  }
+
+  updateDisplay(timeLeft);
+
   clearInterval(timer);
 
   timer = setInterval(() => {
@@ -24,6 +34,10 @@ function setAlarm() {
 function updateDisplay(secondsLeft) {
   const heading = document.getElementById("timeRemaining");
 
+  if (secondsLeft < 0) {
+    secondsLeft = 0;
+  }
+
   const minutes = Math.floor(secondsLeft / 60);
   const seconds = secondsLeft % 60;