text: jQuery(document).ready(function ($){
  var quantitiy=0;
     $('.quantity-right-plus').click(function(e){
          
          // Stop acting like a button
          e.preventDefault();
          // Get the field name
          var quantity = parseInt($('[name="quantity"]').val());
          
          // If is not undefined
              
              $('[name="quantity"]').val(quantity + 1);
  
            
              // Increment
          
      });
  
       $('.quantity-left-minus').click(function(e){
          // Stop acting like a button
          e.preventDefault();
          // Get the field name
          var quantity = parseInt($('[name="quantity"]').val());
          
          // If is not undefined
        
              // Increment
              if(quantity>1){
              $('[name="quantity"]').val(quantity - 1);
              }
      });
      
  });