25+ Best JavaScript Shopping Cart Examples with Demo

A shopping cart is the most important component of an eCommerce website. It stores all basic information related to products that customers added to their buying list. An ideal shopping cart comes with all basic features including adding, removing products, calculating price, and locally storing cart information for non-logged users. This hand-picked collection of JavaScript shopping cart projects helps you to quickly find out the best frontend “add to cart” functionality for your website.

Whether you are working on a shopping website template, creating a simple add to cart functionality, or making a simple online store, these projects might helpful for you to save your time and effort. Basically, these projects consist of only frontend “add to cart” functionalities to make an interactive shopping website. Therefore, you can functionalize the backend for these templates to make a fully working eCommerce website.

1. Single Page Shopping Cart Template

If you are looking for a single-page “add to cart” interaction with modern design, then the following JavaScript shopping project quite fits your needs. It comes with a multifunctional products card. Users can easily view, navigate products variants and images gallery inside the card.

Single Page Shopping Cart Template

Code Features:

  1. Add products to cart and count total price.
  2. Basic webpage layout including navbar, sidebar, and widget area.
  3. Flip products card and show stats on mouseover.
  4. Image gallery carousel inside products card.
  5. Load next/previous Images.

Designer: Virgil Pana

2. Shopping Cart HTML CSS & JavaScript

The following shopping project provides a simplified “add to cart” functionality. It uses JavaScript and WebStorage API/Cookies to remember cart data converted to JSON format. Generally, it provides a complete cart page solution to calculate prices of added items at the front end and the collected data can be transferred to the server along with the checkout process.

Shopping Cart HTML CSS & JavaScript

Code Features: 

  1. Gets cart total price and products info from the session on load.
  2. Creates products object and converts product data to JSON for storage.
  3. Sends product data to session storage.
  4. Appends product JSON object to cart array.
  5. Creates session storage cart item.
  6. Gets existing cart data from storage and converts it back into an array.
  7. Overwrites cart data in session storage.
  8. Converts each JSON product in the array back into the object.
  9. Gets the property value of price, calculate and display the total price.
  10. Inserts and updates cart items on the HTML of the website.
  11. Sends feedback to users on successful added.
  12. Allows users to remove cart session storage objects & refresh cart totals.

Author: Jasmine Smalley

3. JavaScript Shopping Cart with Local Storage

The following shopping cart project uses local storage to save cart information. It is based on a simple idea, to minimize requests to the server and only send the final cart to the server for evaluation and payment. Basically, it uses foundation JS for the visual interface while the cart function has been written in Vanilla JavaScript. Anyhow, you can integrate this shopping cart project with your existing layout without using any other dependency.

JavaScript Shopping Cart with Local Storage

Code Features: 

  1. Gets products name, price, and quantity.
  2. Stores products information in local storage.
  3. Displays items with quantity inside the cart.
  4. Checks local storage on page load and updates cart.
  5. Counts total price and show at the bottom of the cart.

Author: Mihovil Ilakovac

4. Add To Cart using HTML CSS JavaScript

This “add to cart” project comes with a grid products layout and categories filter functionality. Users can easily add products to the cart. It uses Bootstrap 3 CSS for responsive layout and jQuery. Generally, you can integrate this cart code snippet into your Bootstrap projects. It can be highly customized with additional CSS according to your needs.

Add To Cart using HTML CSS JavaScript

Code Features: 

  1. Functionality to display filtering with dropdowns.
  2. Displays add to cart notification.
  3. Displays cart with slide-down animation.
  4. Function for manipulating a sibling input of type “number” from an event fired.
  5. Adjusts the number input value, trigger onChange.
  6. Runs onchange event to keep numbers between max/min values.
  7. Finds number controls and attaches click events.
  8. Attaches validation listeners.

Author: Filip Danisko

5. Simple Javascript Shopping Cart

The following shopping cart project comes with a minimal clean design with a floating cart button. It allows users to add products to the cart and store products info in local storage. Besides it allowing users to add/remove products, it also provides a modal popup sign-up form template for the checkout process.

Simple Javascript Shopping Cart

Code Features: 

  1. Provides a simple way to add products to the cart.
  2. Displays a floating cart button to view, clear, and check out the cart.
  3. Provides a popup sign-up form template for the checkout process.

Author: djoba

6. Javascript Online Shopping Cart

If you are looking for a ready-to-use shopping project for your online store, then the following JavaScript shopping project helps you to save time and effort. This shopping cart project is purely built with HTML, CSS, and JavaScript without any dependency.

It comes with a basic webpage layout including navbar, products grid layout, and footer. Users can add products to the cart and view added products by clicking the cart icon located on the navbar. Similarly, added products can be removed one by one or clear the cart at once. Moreover, it supports local storage and call-back functions to boost the development process.

Javascript Online Shopping Cart

Code Features:

  1. Toggle shopping cart visibility.
  2. Get contents from local storage, if nothing is there, create an empty array.
  3. Save content inside local storage.
  4. Calculate the total price in the cart.
  5. Extract the price numbers from the cart items to calculate the total.
  6. Retrieve the td element in the cart where the product price is stored for each product in the cart.
  7. Iterate over each td node and extract the price.
  8. Display all products and total costs in the cart.
  9. Save selected products in local storage and display them in the cart together.
  10. To avoid users adding the same course twice, check the product is not in LS already before adding it
  11. Clear all products from the cart (and local storage).
  12. Checkout: just clear the cart after the user confirms the checkout process.

Author: Ksenia

7. Javascript Shopping Cart Source Code

The following JavaScript shopping cart source code helps you to create a simple cart page functionality. It allows users to add products and update quantity with plus/minus buttons. Similarly, users can remove products from the cart or clear the cart at once. It is purely built with HTML, CSS, and JavaScript. So, you can customize each part of this project according to your needs.

Javascript Shopping Cart Source Code

Code Features: 

  1. Allows users to add/remove products.
  2. Allows users to increase/decrease products quantity.
  3. Updates products quantity and counts the total bill.
  4. Function to clear cart at once.

Author: Manish Gupta

 

8. Javascript Ajax Shopping Cart

Sometimes, we need to update cart data simultaneously on both the frontend and backend. In this case, we need an AJAX request to update data. So, the following JavaScript shopping project comes with an AJAX cart functionality. Basically, it provides an array for AJAX support to store/update cart information. You can integrate this code snippet into your project to calculate tax, shipping fee, subtotal, and total amount.

Javascript Ajax Shopping Cart

Code Features: 

  1. Provides an array for AJAX support to store products/cart data.
  2. Counts products quantity.
  3. Calculates tax, shipping fee, subtotal, and total amount.
  4. Allows users to remove products from the cart.

Author: 若邪

 

9. JavaScript Drag and Drop Shopping Cart

The drag and drop shopping cart provides a realistic experience while adding products to the cart. The following shopping cart is built with drag and drop methods to add products by dragging them into the cart. Generally, it comes with a very basic style for the cart but you can further style it to make a realistic shopping trolley, pushcart, or basket. Thus, it will make a mind-blowing user experience while dragging products to the shopping trolley.

JavaScript Drag and Drop Shopping Cart

Code Features: 

  1. An array of all shopping items using getElementsByClassName.
  2. The specific area to drop the items in (shopping cart).
  3. An area to display the shopping cart list after being dropped.
  4. Creates an eventListener to each item that will pull data of the specific item.
  5. Grabs the info (in this case, multiple values).
  6. Assigns the type of dataTransfer to copy.
  7. Appends the data to the dataTransfer.
  8. Pulls all the data you need into a JSON format from the current item.
  9. Specifies the dataTransfer and the data type to be copied.
  10. Creates an eventListener on e drop Zone (this is the process of moving data over to another area).
  11. Creates an eventListener for when the item is dropped.
  12. Prevents capturing/bubbling phases (not to be confused with preventDefault).
  13. Retrieves all data from JSON into their own variables.
  14. Function to append the item onto the shopping cart screen.
  15. Appends the dropped data into the shopping cart.
  16. Initiates the drag and drop when ALL content is loaded.

Author: serdeljac

10. JavaScript Vanilla Shopping Cart

If you need a dependency-free shopping cart, then the following Vanilla JavaScript project might be helpful for you. It comes with a simple page layout in which products have been arranged side by side. An add to cart button appears while hovering over a product. Users can add products to the cart and view collected products by clicking the cart button. The cart button will fire the side navigation menu containing products. Moreover, users can increase/decrease products quantity and remove products from that menu.

JavaScript Vanilla Shopping Cart

Code Features: 

  1. Adds products to the cart.
  2. Creates side navigation for added products.
  3. Allows users to remove products from the cart.
  4. Allows users to update the quantity of each product through number input.
  5. Counts and displays total price.
  6. Provides an event listener for the purchase button.

Author: ElieB77

11. Update Quantity in Shopping Cart Javascript

The following JavaScript shopping cart project is helpful to update products quantity and total bill on the cart page. Basically, it provides plus/minus buttons to update the quantity and displays the total price according to the items. Moreover, users can remove products from the cart list and go for the checkout process.

Update Quantity Shopping Cart Javascript

Code Features: 

  1. Allows users to remove products from the cart.
  2. Updates the total bill according to increasing/decreasing the product quantity.
  3. Provides callback for checkout process.

Author: Žiga Miklič

12. Shopping Cart Modal using Bootstrap

Showing the cart in the modal popup provides a good user experience before the checkout process. The following shopping cart project uses Bootstrap modal component to display cart list with quantity update feature, price count, and checkout button. Moreover, it allows users to remove added products with the delete confirmation modal.

Shopping Cart Modal using Bootstrap

Code Features: 

  1. Displays cart menu inside the Bootsrap native modal.
  2. Allows users to delete added products with a confirmation dialog box.
  3. Allows users to increase/decrease products quantity.
  4. Calculate and displays the total bill.

Author: cristina

13. Add To Cart HTML Code

The following “add to cart” project comes with a navbar, grid products layout, and cart functionality.  Basically, this project comes with all basic cart functions including add, remove, empty cart, and update cart data with JSON. Moreover, you can integrate this shopping project with HTML5 templates to make it more beautiful.

Add To Cart HTML Code

Code Features: 

  1. Provides an array for JSON data to retrieve products from the server.
  2. Uses template strings to generate products cards.
  3. Generates Empty Cart and Checkout buttons based on the condition that checks if productsInCart array is empty.
  4. Settings up listeners for the click event on all products and the Empty Cart button as well.
  5. Adds new items or update existing ones in productsInCart array.
  6. Checks if the product is already in productsInCart array.

Author: Marco Roganovic

14. Shopping Cart Project in Javascript

The following JavaScript shopping cart project allows users to add products and displays cart lists inside a content lightbox. Generally, it comes with products cards arranged in the grid layout. The cart button has been placed inside the navbar that fires the modal dialog. Users can access their cart by opening the modal and there they can update products quantity or remove the products.

Shopping Cart Project in Javascript

Code Features: 

  1. Uses an array to store products in a cart.
  2. Allows users to add/remove products to/from the cart.
  3. Provides plus/minus buttons to increase/decrease products quantity.
  4. Counts and displays total price.
  5. Uses local storage to save cart data.
  6. Provides functions to clear, save, and count cart items.

Author: Chris_Achinga

15. Feature-Rich Shopping Cart using jQuery

If you need a multifunctional shopping cart template, then the following project fits your needs. It comes with rich designed products cards that allow users to view products gallery with next/previous buttons and add products with the fly to cart animation. Similarly, users can view and remove products from the cart list. Moreover, this shopping project also provides a sign-up form template for the checkout process.

Feature-Rich Shopping Cart using jQuery

Code Features: 

  1. It stores added products in an array.
  2. Disables multiple clicks for already added products.
  3. Adds an item to the cart with a fly-to-cart animation.
  4. Calculates the sum of all products and displays the total bill.
  5. Provides rich products card including images carousel inside them.
  6. Allows users to clear the cart.
  7. Provides signup form template for checkout process.

Author: Minh Quang

 

16. Multifunctional Modal Popup Shopping Cart

If you are working on a heavy content shopping website then you must go with the following multifunctional modal popup shopping cart. Basically, this project shows a rich cart list inside a modal allowing users to select products variants and quantities. Furthermore, users can add more products to their cart by picking from the additional products that are shown at bottom of the modal.

 

Multifunctional Modal Popup Shopping Cart

Code Features: 

  1. Shows cart in a modal popup.
  2. Allows users to add and update products quantity.
  3. Counts and displays total bill.
  4. Provides products carousel at the bottom of the modal to add new products to the cart.
  5. Allows users to select products through the select box.

 

Author: shahjehan

 

21 thoughts on “25+ Best JavaScript Shopping Cart Examples with Demo”

  1. I need help in example no 6 I want to add more products but in a different section I try to copy and paste the code in the different section but the products in the new section are not adding to the cart

    Reply
    • Hi Mayank!

      You can add as many products as you want. You just need to update id of add to cart button in each product card.

      <div class="card">
            <img src="./img/image-7.jpg" alt="" class="card__image">
            <div class="card__info">
              <h4 class="card__title">Build Layouts with CSS Grid</h4>
              <p class="card__text">John Doe</p>
              <p class="card__price">$400</p>
              <button class="card__btn add-to-cart" data-id="13">Add to Cart</button>
            </div>
          </div>
      

      In the above product card, update the data-id="14" . For next card define 15 and so on.

      Reply
  2. It is not showing any errors and it is not working as well please give me a solution for this (at line 148)

    Reply
    • The grid class should be unique. You need to place all products in one grid class. Then you can use another way to define a separate section for those products.

      Reply
    • Hi Sipboy!
      First of all, you need to submit product’s details to server to generate a unique order, then you can show them anywhere on a website.

      Please mention the code snippet that you’re talking about.

      Reply
  3. hello, thanks for sharing the code! I have a question, is it possible to sent the information of those products (in the shopping cart) to whatsapp?

    Reply
    • Hi Jose!
      Basically, there is no built-in option to share cart info on Whatsapp. Anyhow, it’s possible to add an additional function to send shopping cart information to Whatsapp.

      Reply
  4. Hi I meant in response to this comment “Hi Trey!
    Yes! we can submit the order detail to the server and then display it on any page. Similarly, we can forward cart info to email address.” Also do you have a personal email?

    Reply
  5. hi buddy,

    thanks for codes, have a question when i add item in basket and change page all my items added in basket getting empty, can you help me to sort out that?

    Reply

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