diff --git a/Sprint-3/alarmclock/alarmclock.js b/Sprint-3/alarmclock/alarmclock.js index 6ca81cd3b..927dfefd1 100644 --- a/Sprint-3/alarmclock/alarmclock.js +++ b/Sprint-3/alarmclock/alarmclock.js @@ -1,4 +1,55 @@ -function setAlarm() {} +let timeRemainingEl = null; + +// Keep track of active timer +let intervalId = null; + +// Turns a number of seconds into "MM:SS" format +function formatTime(seconds) { + if (isNaN(seconds) || seconds < 0) { + return "00:00"; + } + const minutes = Math.floor(seconds / 60); + const remainingSeconds = seconds % 60; + + const mm = String(minutes).padStart(2, "0"); + const ss = String(remainingSeconds).padStart(2, "0"); + + return mm + ":" + ss; +} + +function setAlarm() { + let seconds = Number(document.getElementById("alarmSet").value); + + // Validation + if (isNaN(seconds) || seconds <= 0) { + alert("Please enter a valid positive number of seconds."); + return; + } + + seconds = Math.floor(seconds); + + if (!timeRemainingEl) { + timeRemainingEl = document.getElementById("timeRemaining"); + } + + if (intervalId !== null) { + clearInterval(intervalId); + } + + timeRemainingEl.innerText = "Time Remaining: " + formatTime(seconds); + + intervalId = setInterval(function () { + seconds = seconds - 1; + + timeRemainingEl.innerText = "Time Remaining: " + formatTime(seconds); + + if (seconds === 0) { + clearInterval(intervalId); + intervalId = null; + playAlarm(); + } + }, 1000); +} // DO NOT EDIT BELOW HERE diff --git a/Sprint-3/alarmclock/index.html b/Sprint-3/alarmclock/index.html index 48e2e80d9..328e06582 100644 --- a/Sprint-3/alarmclock/index.html +++ b/Sprint-3/alarmclock/index.html @@ -1,20 +1,23 @@ - - - - - Title here - - -
-

Time Remaining: 00:00

- - - - -
- - - + + + + + Alarm Clock App + + + +
+

Time Remaining: 00:00

+ + + + + +
+ + + + \ No newline at end of file