laravel-part-25-snippet.js

$('.add').click(function(){
      var qtyElement = $(this).parent().prev(); // Qty Input
      var qtyValue = parseInt(qtyElement.val());
      if (qtyValue < 10) {
          qtyElement.val(qtyValue+1);
      }            
  });

  $('.sub').click(function(){
      var qtyElement = $(this).parent().next(); 
      var qtyValue = parseInt(qtyElement.val());
      if (qtyValue > 1) {
          qtyElement.val(qtyValue-1);
      }        
  });

<div class="alert alert-warning alert-dismissible fade show" role="alert">
  <strong>Holy guacamole!</strong> You should check in on some of those fields below.
  <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button>
</div>