Netscape Co. It is not Java. Learning to develop skill in this system empowers you as a web author. It is important to understand its basic concepts and to examine the wealth of examples available on the web.
Several sites have collections of example scripts.
In this page, we'll look at how to integrate Javascripting into PageMill and outline some of the basic principles of its use. PageMill doesn't do Javascripting for you. It can be told to stay out of the way and let you put Javascript into your documents. The basic idea is that you need to keep PageMill from trying to edit them. You do this when in editing mode by inserting a Placeholder.