Home › WordPress UpWork Test Answers Which of the following functions are used when adding CSS and jQuery codes on a WordPress plugin? By · Tuesday, June 20, 2017 Which of the following functions are used when adding CSS and jQuery codes on a WordPress plugin? Answers: 1. wp_register_style 2. wp_enqueue_style 3. wp_enqueue_script 4. None of these. WordPress UpWork Test Answers GA Gaurav Arora, Digital Media Lead. 10+ years running paid media and tracking for brands in the USA, UK and Canada.