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.
IZegrar ttaǧǧan ifḍan n iseqdacen ad sneflin tarmit-nsen n tunigin. Ma tesneḍ <a href="#">HTML</a>, <a href="#">JavaScript</a>, akked <a href="#">CSS</a>, ɣur-k abrid yeldi akken ad teggeḍ azegrir meqqṛen.