moiseh

WooCommerce AJAX Cart is a WordPress Plugin that changes the default behavior of WooCommerte Cart Page, allowing a buyer to see the Total price calculation when change the Quantity of a product, without need to manually click on “Update cart” button.
This improves the user experience when purchasing a product. No other hacks/code/theme changes is needed, this functionality is added when the plugin is activated.
You can try and play with this plugin demonstration <a href="https://tastewp.com/new?pre-installed-plugin-slug=woocommerce%2Cwoocommerce-ajax-cart&redirect=plugins.php&ni=true" rel="nofollow ugc">clicking here</a>
<iframe loading="lazy" class="youtube-player" width="750" height="422" src="https://www.youtube.com/embed/nXUjO2cGljs?version=3&rel=1&showsearch=0&showinfo=1&iv_load_policy=1&fs=1&hl=en-US&autohide=2&wmode=transparent" allowfullscreen="true" style="border:0;" sandbox="allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox"></iframe>
Free version features:
<ul>
<li>Automatically reload and recalculate Cart using AJAX when quantity changes</li>
<li>Show -/+ buttons around item quantity on cart page</li>
<li>Show item quantity as select instead numeric field</li>
<li>Show user confirmation when change item quantity to zero</li>
</ul>
Premium version features:
<ul>
<li>Allow to change/synchronize quantities in shop, minicart and single product pages <a href="https://youtu.be/a4w8wNlZhxk" rel="nofollow ugc">view demo</a></li>
<li>Make the <code>Add to cart</code> button to perform with AJAX, without full page reload <a href="https://youtu.be/o0VPfMCIctc" rel="nofollow ugc">view demo</a></li>
<li>Faster AJAX reload call when change quantities in Cart page</li>
<li>Option to lock quantity inputs to allow only change using plus and minus buttons</li>
<li>Update price vs quantity calculation automatically on Single Product pages</li>
</ul>
If you looking for a related plugin with more complete features maybe you can try <a href="https://wordpress.org/plugins/woo-better-usability" rel="ugc">WooCommerce Better Usability</a> plugin.

WooCommerce Ajax Cart Plugin

WooCommerce AJAX Cart is a WordPress Plugin that changes the default behavior of WooCommerte Cart Page, allowing a buyer to see the Total price calcul …

xootix

<a href="http://demo.xootix.com/cart-pop-up-for-woocommerce/" rel="nofollow ugc">Live Demo</a>
This plugin enhances the shopping experience by allowing customers to add products to the cart without reloading the page. 
A clean, responsive popup appears instantly showing the added product along with View Cart and Checkout buttons.
If you prefer a slide-in cart interface, you may also like our companion plugin: 
<a href="https://wordpress.org/plugins/side-cart-woocommerce/" rel="ugc">Side Cart for WooCommerce</a>
<h3>Features</h3>
<ul>
<li>No page refresh — fully Ajax powered.</li>
<li>Instant popup displaying product details.</li>
<li>View Cart and Checkout buttons inside the popup.</li>
<li>Customizable button styles.</li>
<li>Supports simple and variable products.</li>
<li>Increase/Decrease quantity directly inside the popup.</li>
</ul>

Cart Popup for WooCommerce

Cart Popup for WooCommerce enables Ajax add-to-cart and displays an instant popup showing the added product.

WooCommerce Ajax Cart Plugin vs Cart Popup for WooCommerce