Audiophile e-commerce
The users are able to: View the optimal layout for the app depending on their device's screen size Add/Remove products from the cart Edit product quantities in the cart Fill in all fields in the checkout Receive form validations if fields are missed or incorrect during checkout See correct checkout totals depending on the products in the cart Shipping always adds $50 to the order VAT is calculated as 20% of the product total, excluding shipping See an order confirmation modal after checking out with an order summary
and the application keeps track of what's in the cart, even after refreshing the browser (localStorage is used for this)