diff --git a/Sprint-3/alarmclock/alarmclock.js b/Sprint-3/alarmclock/alarmclock.js
index 6ca81cd3b..116378c81 100644
--- a/Sprint-3/alarmclock/alarmclock.js
+++ b/Sprint-3/alarmclock/alarmclock.js
@@ -1,4 +1,50 @@
-function setAlarm() {}
+function setAlarm() {
+ // get the users input in seconds from the input element
+ const inputField = document.getElementById("alarmSet");
+
+ // get the "timeRemaining" element where we show the time
+ const timeDisplay = document.getElementById("timeRemaining");
+
+ // convert the users input to a number
+ let secondsRemaining = Number(inputField.value);
+
+ // check if input is not a number or less than or equal to zero and informs the user to enter a positive number
+ if (isNaN(secondsRemaining) || secondsRemaining <= 0){
+ timeDisplay.textContent = "Enter a positive number.";
+ return;
+ }
+
+ // format and update the time display with a function
+ function updatedTime(){
+ // calculate the number into minutes and seconds
+ const minutes = Math.floor(secondsRemaining / 60);
+ const seconds = secondsRemaining % 60;
+
+ // pad the numbers to ensure double digits so it looks right and is easily readable
+ const formattedTime = `${String(minutes).padStart(2, '0')}:${String(seconds).padStart(2, '0')}`;
+ timeDisplay.textContent = `Time Remaining: ${formattedTime}`;
+
+ }
+ updatedTime() // shows the starting time
+
+ let intervalId; // store a global variable to the interval so we can clear it later
+
+ // Start the countdown interval
+ intervalId = setInterval(() => {
+
+ // decrement the number to reduce the countdown
+ secondsRemaining--;
+
+ // check if the timer has reached 0
+ if (secondsRemaining < 0){
+ clearInterval(intervalId); // clear the interval when timer reaches 0
+ timeDisplay.textContent = "times up!" // returns times up when timer reaches 0
+ return playAlarm();
+ } else {
+ updatedTime();
+ }
+ }, 1000); // updates the function by running it every 1000ms
+}
// DO NOT EDIT BELOW HERE
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