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DEBUGGING.md

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Debugging

Useful cmdline flags

-new-instance // Open new instance, not a new window in running instance, which allows multiple copies of application to be open at a time.
-P "profile_name" // Bypass profile manager and launch application with the profile named profile_name. Useful for dealing with multiple profiles.
-profile "profile_path" // Start with the profile with the given path.
--kiosk URL // Open URL full screen without user interface.
-devtools // Start with native developer tools opened.
-purgecaches // Gecko (layout engine) has a JavaScript cache, which is not reset on startup, this clears it.
-version // Print Mercury version to stdout.
-tray // Start Mercury minimized.
-safe-mode // Start Mercury in safe mode. \

  • about:config is the equivalent of the chrome://flags page. Use this for experimenting, debugging, and tweaking.

Resources

__*For more information about debugging, See > Logging, Command Line Options, Browser Console, Browser Toolbox, DevTools, Web Debugging, and Debugging the Browser.