I have created a "Hello World" Greasemonkey script in Firefox which contains only one line of code:
GM_log("Hello World");
This did not seem to function, at least it did not produce any output in my firebug console.
The same with other GM_... functions like GM_wait
When I replaced:
GM_log("Hello World");
with:
alert("Hello World")
it worked (so the script headers are not the problem).
I have also set the following about:config
options to true:
javascript.options.showInConsole
extensions.firebug.showChromeErrors
extensions.firebug.showChromeMessages
Is there some other setting to change for GM_... functions to work in Greasemonkey scripts?
Do I have to change other firebug settings for GM_log messages to show in the firebug console?
The reason for this is a new special Metadata Block imperative: @grant, added in GM 1.0.
If you need GM_log to work, you have to add this line into your script Metadata Block:
"// @grant GM_log"
, otherwise it will not work.
You can read about this feature at http://wiki.greasespot.net/@grant.
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