How can I debug a Firefox extension with Firebug?

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失恋的感觉
失恋的感觉 2021-01-12 02:02

I\'m trying to use Firebug to debug a JavaScript file in an extension I\'ve added to Fx 4.
Can anyone tell me how to do it? I can only see website scripts.

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  • 2021-01-12 03:01

    Please see MDN - Building An Extension - Debugging Extensions, which shows what tools Firefox provides you with to natively debug extension, also take a look at Dive Into Greasemonkey - Debugging User Scripts (PDF, p.13) which is aimed more specifically at your request.

    Other than that, see How to debug a Greasemonkey script with the Firebug extension?

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  • 2021-01-12 03:01

    On Firefox 19 or later, it's possible to use the built-in JS debugger on the browser itself. Go to about:config and set the following two prefs:

    devtools.chrome.enabled: true
    devtools.debugger.remote-enabled: true
    

    After you restart the browser, you can access the Browser Debugger through Tools > Web Developer > Browser Toolbox.

    (note that you must accept the incoming connection)

    See more at: https://developer.mozilla.org/en-US/docs/Mozilla/Debugging/Debugging_JavaScript#JavaScript_Debugger

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  • 2021-01-12 03:01

    In the bottom right hand corner there should be a little Firebug icon. Single or double click to open then you see some tabs at the top. Click the "Console" tab for real time debugging, or the "SCript" tab to view the scripts that have been loaded. Note, you can also load CSS and HTML through Firebug, use the "Viewer" icon to view HTML code on the page in real time.

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  • 2021-01-12 03:03

    Use Chromebug it's firebug for extension development, witch will give you the full ability to inspect debug firefox it self and all firefox extension as if it's a webpage :)

    1- install the latest version from here: http://getfirebug.com/releases/chromebug/

    2- Winkey+R to open run then type firefox.exe -chromebug this will run firefox with chromebug

    3- for more information visit http://getfirebug.com/wiki/index.php/Chromebug

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