Build an Online Store

Single Page Application : E-commerce implementation with pre written JSON as according to the problem statement. <Summary/>: A page where you can add items to cart. Sorting feature for items based on price. Checkout block where registered users can login and make a purchase. All data will be in stored in JSON [no database required] <Details/>: Only desktop design has to be made. No emphasis on responsive web design. All categories (eg, electronics, books, clothes etc ) listed with their items (eg,[a laptop, mouse, kindle],[black beauty, count of monte cristo, black swan, game of thrones],[ shirts, T-shirts, hats, shoes] etc) Each item has its price [ a laptop, mouse, kindle-54k ],[ black beauty-299, count of monte cristo-1099, black swan-499, game of thrones-2399 ],[ shirts-500, T-shirts, hats-200, shoes-6k ] etc. Cart has subtotal, taxes [say, 5%] and total [subtotal + taxes]. When the user clicks 'proceed to checkout', a user authentication [email password input] is required before making a purchase. Application should validate login credentials from its user list [typically stored in JSON]. A success page. <What_your_design_must_have/>: dynamically fetch data from neat and clean json. neat structured code. filter property to sort item by price. cart with increase / decrease item's quantity. checkout block providing simple user authentication : login/password to recognize user, no cryptography required success page listing all cart items purchased by user.