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Editorial Team
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Asked: 2026-05-28T18:30:44+00:00

I’m developing a firefox extension and i want to be able to close firefox

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I’m developing a firefox extension and i want to be able to close firefox window itself (without any confirm). For example, I want to close firefox window if a specific URL has been loaded. Open/close tab is easy with gBrowser, what about closing firefox window?

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  1. Editorial Team

    To quit Firefox

    Components
  .classes['@mozilla.org/toolkit/app-startup;1']
  .getService(Components.interfaces.nsIAppStartup)
  .quit(Components.interfaces.nsIAppStartup.eAttemptQuit)

    To restart Firefox

    var boot = Components.classes["@mozilla.org/toolkit/app-startup;1"].getService(Components.interfaces.nsIAppStartup);
boot.quit(Components.interfaces.nsIAppStartup.eForceQuit|Components.interfaces.nsIAppStartup.eRestart);

    Additional Useful Flags

    eConsiderQuit : Attempt to quit if all windows are closed.
    eAttemptQuit : Try to close all windows, then quit if successful.
    eForceQuit : Force all windows to close, then quit.
    eRestart : Restart the application after quitting. The application will be restarted with the same profile and an empty command line.

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