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JavaScript UI FrameworkReference

Element overlay

An overlay is used when it is desirable for a block of content to be shared between several different windows. It can also be used to append or alter content in an existing window. An overlay is defined in a separate XUL file. Overlays are applied while the XUL is being loaded.

Extends

XULElement

Members Table

The following table lists the members exposed by the overlay object.

Show:
Attributes
Properties
Methods
Events
Pseudo-classes