10.4. JavaScript Window Creation
New application windows can be created from JavaScript.
Recall that the JavaScript interpreter environment supplies the application programmer with a global object. In a XUL document, that global object has a property named window that is effectively the global object. This object supports many methods useful for creating windows.
The Mozilla hierarchy of JavaScript properties is a constructed system that is separate from the many XPCOM interfaces. Although some JavaScript properties, like window and window.document, appear to be identical to XPCOM components, these properties are just convenient fakes hiding the real components that make up a Mozilla window.
This last point is important. It is easy to become ...
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