AJAX in WooCommerce — a practical guide to WooCommerce AJAX with clear examples you can reuse in real projects.
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Short description
Many cart fragments use Woo AJAX. Custom features should still verify nonces and capabilities.
Custom AJAX action
add_action('wp_ajax_acme_woo_action', 'acme_woo_action');
add_action('wp_ajax_nopriv_acme_woo_action', 'acme_woo_action');