Unfortunately it doesn’t work(:
This is what appears on product page before “add to cart” button:
var fpf_fields = [{"id":"fpf_7737650","title":"Zio\u0142a","type":"radio","max_length":"","required":true,"placeholder":"","css_class":"","price":"","price_type":"fixed","date_format":"dd.mm.yy","days_before":"","days_after":"","logic":false,"logic_operator":"or","display":true,"options":[{"id":"fpf_5266922","value":"bazylia","label":"bazylia","price_type":"fixed","price":"","price_value":0},{"id":"fpf_1321521","value":"kminek","label":"kminek","price_type":"fixed","price":"","price_value":0},{"id":"fpf_1255801","value":"koper","label":"koper","price_type":"fixed","price":"","price_value":0},{"id":"fpf_7919817","value":"majeranek","label":"majeranek","price_type":"fixed","price":"","price_value":0},{"id":"fpf_5539965","value":"pietruszka","label":"pietruszka","price_type":"fixed","price":"","price_value":0},{"id":"fpf_4951824","value":"rozmaryn","label":"rozmaryn","price_type":"fixed","price":"","price_value":0},{"id":"fpf_8045212","value":"rumianek","label":"rumianek","price_type":"fixed","price":"","price_value":0},{"id":"fpf_7429430","value":"szczypior","label":"szczypior","price_type":"fixed","price":"","price_value":0},{"id":"fpf_6946477","value":"tymianek","label":"tymianek","price_type":"fixed","price":"","price_value":0}],"logic_rules":[],"has_price":false,"has_price_in_options":false,"has_options":true,"price_value":0}]; var fpf_product_price = 15;