[Project_owners] Scoping of Javascript identifiers

Julian Reschke julian.reschke at gmx.de
Fri Mar 17 12:39:33 EST 2006

Nickolay Ponomarev wrote:
> On 3/17/06, Julian Reschke <julian.reschke at gmx.de> wrote:
>> I recently noticed that my "openwebfolder" extension causes GreaseMonkey
>> to fail loading user scripts (see
>> <http://bugzilla.mozdev.org/show_bug.cgi?id=13476>).
>> This is apparently caused by the fact that identifiers used by both
>> extensions live in the same namespace, and "openwebfolder" happens to
>> define a function "getContents", which is invoked by GM.
>> Question: am I doing something wrong, that is, is there a way to avoid
>> collisions like that?
> This is a known issue, see
> http://kb.mozillazine.org/Javascript_coding_guidelines#Avoiding_name_collisions
> The reason for this is that all scripts, loaded into a particular
> window, share the same scope (while different windows, even two
> instances of the same kind, have different scope).
> This is reported as a GM bug, but the developers apparently don't
> think it is important enough.
> http://bugzilla.mozdev.org/show_bug.cgi?id=10227
> Nickolay

Thanks for the pointers!

Best regards, Julian

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