$(".updateChild").click(function() {
          for (var i = 0; i < inventory.length; i++) {
            if(inventory[i].list._id === $(this).attr('data-id')) {
              inventory[i].list.qty = $(this).val();
            }
            localStorage.setItem('cartItems', JSON.stringify(inventory));
            console.log(JSON.stringify(inventory));
          }
        })