Javascript Madness: Mouse EventsTests were also performed on Netscape, Mozilla, Camino, Seamonkey and K-Meleon. These all use the same layout engine as Firefox, called "Gecko" and behave the same way as versions of Firefox with the same Gecko version, just as Safari, Chrome, and Ephiphay all use the WebKit engine. In this article we will generally refer to Gecko and Webkit version numbers instead of any particular Gecko-based br
