made alarm clock countdown from user input number and alarm sound when it reaches 0

asaniDev · asaniDev · commit 8196fd629468 · 2025-12-08T02:34:45.000Z
diff --git a/Sprint-3/alarmclock/alarmclock.js b/Sprint-3/alarmclock/alarmclock.js
@@ -1,4 +1,44 @@
-function setAlarm() {}
+let inputTime = 0;
+let timer = null;
+
+function setAlarm() {
+  inputTime = Number(document.querySelector("#alarmSet").value);
+
+  if (Number.isInteger(inputTime) && !isNaN(inputTime) && inputTime >= 0) {
+    if (inputTime === 10) {
+    }
+    displayTime(inputTime);
+    if (timer) clearInterval(timer);
+    timer = setInterval(countDown, 1000);
+  }
+}
+
+function displayTime(totalTime) {
+  const seconds = totalTime % 60;
+  const minutes = (totalTime - seconds) / 60;
+  const timeLeft = document.querySelector("#timeRemaining");
+  timeLeft.innerText = `Time Remaining: ${minutes
+    .toString()
+    .padStart(2, 0)}:${seconds.toString().padStart(2, 0)}`;
+}
+
+function countDown() {
+  inputTime--;
+  if (inputTime >= 0) {
+    displayTime(inputTime);
+  }
+
+  if (inputTime === 0) {
+    playAlarm();
+    clearInterval(timer);
+    timer = null;
+  }
+}
+/*
+the the value for time remaining
+check its a valid time (greater than 00:00)
+decrease value of time remaining by 1 sec for each sec that passes
+*/
 
 // DO NOT EDIT BELOW HERE
 
@@ -23,3 +63,31 @@ function pauseAlarm() {
 }
 
 window.onload = setup;
+
+/*
+Given the user has entered a number in the input field When the user clicks the “Set Alarm” button Then the “Time Remaining” title should update to show the entered number in mm:ss format
+  take value from in input field and store it in a variable inputTime
+  check inputTime value is within the accepted range?
+  take variable inputTime and display it in time remaining section
+  
+
+Given the alarm is set with a valid time When one second passes Then the “Time Remaining” title should decrement by 1 second
+  the the value for time remaining
+  check its a valid time (greater than 00:00)
+  decrease value of time remaining by 1 sec for each sec that passes
+
+Given the alarm is set with a time of 00:00 When the timer reaches 00:00 Then the alarm sound should play continuously
+  check time remaining, if it is equal to 00:00 then sound alarm
+
+
+Given the alarm sound is currently playing When the user clicks the “Stop Alarm” button Then the alarm sound should stop playing
+  check if stop alarm button has been pressed
+  if true then check if alarm sound is playing then stop alarm sound if true
+
+Given the alarm is set with a time of 00:10 When the timer reaches 00:00 Then the background color should change And the alarm sound should play
+  if inputTime is 00:10 and timer reaches 0 the change background color
+  play alarm sound
+
+Given the user has not set an alarm When the page first loads Then the “Time Remaining” title should show 00:00 And no alarm sound should play
+when page loads time remaining should 0 and no alarm sound should play
+*/
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">
