• A component model from Mozilla that is similar to Component Object Model (COM), Common Object Request Broker Architecture (CORBA), and System Object Model (SOM). XPCOM features multiple language bindings and interface description language (IDL) descriptions, which allow programmers to plug their custom functions into the framework and connect them with other components. The most notable use of XPCOM is within the Firefox web browser, where many internal components interact through XPCOM interfaces. ← Wikipedia

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