cart.js

 updateCart: function() {

            console.log('update cart');

            //

            var items 	= $('ul.cart-line-items').find('li');
            var itemsL 	= items.length;
            var i 		= 0;

            for(i; i < itemsL; i+=1) {

                /* LID is different than the line item numbers
                 *
                  * */
                var id  = items[i].data('lid');
                var qty = items[i].val();

                $.Cart.updateLineItem(id, qty);

            }

        },