Dynamic Product Updates with AJAX — a practical guide to WooCommerce AJAX product update with clear examples you can reuse in real projects.
WooCommerce Plugin Development Series (60/101). Prefer one article? Read the complete WooCommerce plugin development tutorial.
Short description
Return JSON fragments and refresh cart fragments with WooCommerce events when needed.
JSON response
wp_send_json_success(['price_html' => $product->get_price_html()]);