Comments on: Using Firebug Console to log from GreaseMonkey Scripts

By: Garvin

Garvin — Thu, 24 Mar 2011 20:38:13 +0000

Important prerequisite: before the logging starts showing up in the Firebug console, you’ll have to go to about:config and set extensions.firebug.showChromeMessages to true.

http://wiki.greasespot.net/GM_log#GM_log_and_Firebug

NATE: there are two questions there with opposite answers. Did a new version break GM_log()? No. I imagine you were referring to GM_log() in a non-Greasemonkey context (guess: in the Firebug command line).

By: Nate

Nate — Wed, 10 Mar 2010 15:35:23 +0000

“var GM_log = unsafeWindow.console.log;”

After doing this, when trying to use GM_log(“str”);, I get the message “GM_log is not a function”. Did some new version of Greasemonkey or Firefox break this compatibility or am I using it wrong?

By: Cory

Cory — Fri, 18 Dec 2009 23:12:16 +0000

You can also do:

var console = unsafeWindow.console;

And then you can use Firebug as you normally would.

console.log(‘hello world!’);
console.error(‘doh’);

By: GeorgeCalm

GeorgeCalm — Tue, 24 Nov 2009 03:55:56 +0000

// shorter version
var log = (unsafeWindow.console) ? unsafeWindow.console.log : GM_log;

By: Best of Devils Workshop in Year 2008!

Best of Devils Workshop in Year 2008! — Tue, 30 Dec 2008 09:01:21 +0000

[...] Using Firebug Console to log from GreaseMonkey Scripts [...]

By: Rahul Bansal

Rahul Bansal — Thu, 25 Sep 2008 13:57:12 +0000

@Gaurav
Sure. Read This.

By: gaurav

gaurav — Wed, 24 Sep 2008 10:02:18 +0000

i do not how to use Greasemonkey
plz tell me if u have time