Shift-2

JavaScript shift() function return values is the removed item. The output of [100, 1000, 200, 3000].shift() will be 100. See the code snippet:

<!DOCTYPE html>
<html>
<head>
<title>Welcome to LearnKode - A code learning platform</title>
</head>
<body>
  <script>
         var element = [100, 1000, 200, 3000].shift();
         document.write("Removed element is : " + element ); 
      </script>

</body>
</html>

Output