diff --git a/Sprint-3/alarmclock/alarmclock.js b/Sprint-3/alarmclock/alarmclock.js
index 6ca81cd3b..23fe5681a 100644
--- a/Sprint-3/alarmclock/alarmclock.js
+++ b/Sprint-3/alarmclock/alarmclock.js
@@ -1,5 +1,52 @@
-function setAlarm() {}
+//global variables: 1- userInput, 2- timeRemaining, 3- stop, 4- seconds, 5- minutes
+// get access to the "input" element
+const userInput = document.querySelector("#alarmSet");
+// get access to the "timeRemaining" element
+const timeRemaining = document.querySelector("#timeRemaining");
+// get access to the "stop" button
+const stop = document.querySelector("#stop");
+let seconds = 0;
+let minutes = 0;
+
+function main() {
+ // add an event listener to the "input" element that will call the counterUpdate function when clicked on
+ document.getElementById("alarmSet").addEventListener("click", counterUpdate);
+}
+
+// define the function that will update the counter
+function counterUpdate() {
+ // local variables: useInputValue
+ // get the value of the input element.
+ const userInputValue = userInput.value;
+ // check if the input is equal to or greater than 0
+ if (userInputValue >= 0) {
+ minutes = Math.floor(userInputValue / 60);
+ seconds = userInputValue % 60;
+ // if it is, update the TimeRemaining element to show the real time remaining in minutes and seconds.
+ timeRemaining.innerText = `Time Remaining: ${minutes.toString().padStart(2, "0")}:${seconds.toString().padStart(2, "0")}`;
+ }
+}
+
+// define the function that will count down the time remaining every second and update the remaining time on the page
+function setAlarm() {
+ // use setInterval to call a function every second that will decrease the time remaining by 1 second.
+ const interval = setInterval(() => {
+ if (seconds > 0) {
+ seconds--;
+ timeRemaining.innerText = `Time Remaining: ${minutes.toString().padStart(2, "0")}:${seconds.toString().padStart(2, "0")}`;
+ } else if (minutes > 0) {
+ minutes--;
+ seconds = 59;
+ timeRemaining.innerText = `Time Remaining: ${minutes.toString().padStart(2, "0")}:${seconds.toString().padStart(2, "0")}`;
+ } else {
+ clearInterval(interval);
+ userInput.value = "";
+ playAlarm();
+ }
+ }, 1000);
+}
+main();
// 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..66748001e 100644
--- a/Sprint-3/alarmclock/index.html
+++ b/Sprint-3/alarmclock/index.html
@@ -1,10 +1,10 @@
-
+
- Title here
+ Alarm clock app