Add to cart functionality html css javascript

the "add to cart" functionality is a crucial feature in e-commerce websites, allowing users to select products and store them for potential purchase. it typically involves a user interface created with html and css, where products are displayed with relevant details, such as images, descriptions, and prices. users can interact with buttons to add items to their cart.

javascript plays a pivotal role in this functionality by managing user interactions and dynamically updating the cart. when a user clicks the "add to cart" button, javascript captures the event, retrieves the product details, and updates the cart's contents, often using an array or object to track selected items. additionally, it may provide feedback to the user, such as displaying a confirmation message or updating the cart icon with the current number of items. this seamless interaction enhances the user experience, facilitating easy navigation and encouraging purchases.
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