add_action('wp_footer', 'disparar_addtocart_en_carrito');
function disparar_addtocart_en_carrito() {
if (is_cart()) {
?>
(function () {
var c = document.body.className;
c = c.replace(/woocommerce-no-js/, 'woocommerce-js');
document.body.className = c;
})();