Apply changes commented by the reviewer

Author: mohsenzamanist

Sprint-3/alarmclock/alarmclock.js

@@ -8,6 +8,11 @@ function setScreenTimer(totalSeconds) {
 function setAlarm() {
   const alarmSet = document.getElementById("alarmSet");
   let totalSeconds = Number(alarmSet.value);
+  if (totalSeconds <= 0) {
+    alert("Input must be more than 0");
+    alarmSet.value = "";
+    return;
+  }
 
   setScreenTimer(totalSeconds);
 

Sprint-3/alarmclock/index.html

@@ -10,7 +10,7 @@
     <div class="centre">
       <h1 id="timeRemaining">Time Remaining: <span>00:00</span></h1>
       <label for="alarmSet">Set time to:</label>
-      <input id="alarmSet" type="number" />
+      <input id="alarmSet" type="number" min="0" />
 
       <button id="set" type="button">Set Alarm</button>
       <button id="stop" type="button">Stop Alarm</button>