how to write text to Mozilla JavaScript Console

[Derek_Bennett]

I would like to find out how to write out messages to the Mozilla
JavaScript Console. This would allow me to have a client-side record
of execution which would be ideal in debugging end-user problems.

I am looking for something like
javascript:mozilla.jsconsole.messages.write("some debug string");

 

[Keith Bowes]

I would like to find out how to write out messages to the Mozilla
JavaScript Console. This would allow me to have a client-side record
of execution which would be ideal in debugging end-user problems.

I am looking for something like
javascript:mozilla.jsconsole.messages.write("some debug string");

I think it's
dump("some debug string");

But you have to enable it in about:config

Again, this is strictly IIRC

 

[Derek_Bennett]

I think it's
dump("some debug string");

But you have to enable it in about:config

Again, this is strictly IIRC

You recall incorrectly, it seems.
There is no mention of any similar setting in about:config.
I was unable to call javascript:dump("blah") from the address bar or
the JSConsole evaluate bar.

If you have any other information, I would be glad to hear it!

 

[Martin Honnen]

I would like to find out how to write out messages to the Mozilla
JavaScript Console. This would allow me to have a client-side record
of execution which would be ideal in debugging end-user problems.

I am looking for something like
javascript:mozilla.jsconsole.messages.write("some debug string");

You need XPConnect privileges to do that e.g. try the following from
file: URL and grant the privilege when prompted:

netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
var jsConsoleService =
Components.classes['@mozilla.org/consoleservice;1'].getService();
jsConsoleService.QueryInterface(Components.interfaces.nsIConsoleService);
jsConsoleService.logStringMessage('Kibology for all.')

Then the message should appear in the JavaScript console. However
requesting privileges from http: URL is with normal browser settings
only possible if the script is signed.