CodeYourFuture · JorvanW · Jul 20, 2026 · Jul 20, 2026 · Jul 20, 2026 · Jul 20, 2026
diff --git a/Sprint-3/alarmclock/alarmclock.js b/Sprint-3/alarmclock/alarmclock.js
@@ -1,4 +1,42 @@
-function setAlarm() {}
+const timeRemaining = document.getElementById("timeRemaining");
+let timer;
+let seconds;
+
+function setAlarm() {
+    const alarmSetInput = document.getElementById("alarmSet");
+    seconds = Number(alarmSetInput.value);
+
+
+    if (seconds <= 0 || isNaN(seconds)) {
+        alert("Please enter a valid number.");
+        return;
+    }
+
+    // Stop a previous countdown if there is one
+    clearInterval(timer);
+
+    // Run immediately
+    decrementTimer();
+
+    // decrement each second
+    timer = setInterval(() => decrementTimer(), 1000);
+}
+
+function decrementTimer()
+{
+  const minutes = Math.floor(seconds / 60);
+  const secs = seconds % 60;
+
+  timeRemaining.textContent = `Time Remaining: ${String(minutes).padStart(2, "0")}:${String(secs).padStart(2, "0")}`;
+
+  if (seconds <= 0) {
+    clearInterval(timer);
+    playAlarm();
+    return;
+  }
+
+  seconds--;
+}
 
 // DO NOT EDIT BELOW HERE
 
@@ -23,3 +61,4 @@ function pauseAlarm() {
 }
 
 window.onload = setup;
+
diff --git a/Sprint-3/alarmclock/index.html b/Sprint-3/alarmclock/index.html
@@ -4,7 +4,7 @@
     <meta charset="utf-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <link rel="stylesheet" href="style.css" />
-    <title>Title here</title>
+    <title>Alarm Clock App</title>
   </head>
   <body>
     <div class="centre">