Browser.warnOnQuit
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Background
When quitting Firefox via “File → Exit”, every open browser window will be closed. This preference determines (along with browser.tabs.warnOnClose) whether or not a warning dialog appears before this happens.
Possible values and their effects
True
Display a dialog before quitting, warning that all windows will be closed. (Default)
False
Do not require confirmation from the user when quitting.
Caveats
- If browser.tabs.warnOnClose is false, then this preference has no effect.
First checked in
Has an effect in
- Mozilla Firefox (nightly builds since 2007-06-15; 3.0a6 and above)
Related bugs
- Bug 383760 - Add quit confirmation dialog
- Bug 419009 – warning if closing multiple tabs is not working