Chapter 9. Commands
This chapter explains the Mozilla command system. The command system is used to separate the functionality of an application from its appearance. It is separate from the DOM Events model, although events and commands can interact a little.
It is critical that somehow, somewhere, the tasks that an application window performs are separated from their user interfaces. One reason for this separation is that XUL user interfaces are highly changeable, both at design time and at run time. Such interfaces are a demanding constraint on application architecture. A second reason is that many existing software engineering ...
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