Add-ons let millions of Firefox users enhance their browsing experience. If you know <a href="#">HTML</a>, <a href="#">JavaScript</a>, and <a href="#">CSS</a>, you already have all the necessary skills to make a great add-on.
Dodanki zmóžnjaju milionam wužywarjow Firefox jich pśeglědowańske dožywjenje pólěpšyś. Jolic sćo webwuwijaŕ a se w <a href="#">HTML</a>, <a href="#">JavaScript</a> a <a href="#">CSS</a> wuznawaśo, maśo južo trěbne znajobnosći, aby wjelicny dodank wuwijał.