Firefox extension that changes the value in about: config

Question

I searched around the Internet for a little light, but found nothing. I need to create a Firefox extension that, among several other things, changes the value of one of about: config variables. None of the tutorials I found address this issue, so I don’t know where to start. Can someone give me a link or some lines of code or explanation to help me get started? Thanks in advance.

Answer 1

About: config values ​​are available through the settings system. The reason you prefix an extension prefix with extensions.myextension is because you need to make sure that you don’t encounter Firefox or other extension settings.

To get a preference for firefox, just use the same preference name, which you see roughly: config. If you notice, you will see that you also see all extension prefixes approximately: config too.

https://developer.mozilla.org/en/XUL_School/Handling_Preferences * https://developer.mozilla.org/en/Code_snippets/Preferences

Answer 2

If you use bootstrap, this should do what you are looking for:

prefs = require("sdk/preferences/service"); prefs.set("extensions." + extensionName + ".sdk.console.logLevel", "all"); 

This may not be the most elegant solution, but you can comment on the code before posting.

If anyone finds a better way, please let me know!