Hi,
> The details of the conflict are beyond my understanding of JS/
> Prototype, but I gather it has to do with both scripts trying to
> modify Object.prototype.
Prototype does _not_ modify the Object prototype. Doing so is a good
way to break all sorts of things. Prototype modifies the Object
instance itself (*not* its prototype) and it modifies the prototypes
of Array, String, and some others, but not Object.
> I am wondering, however, if json-min.js is being a bad citizen, or...
If it's modifying Object.prototype, probably yes. And unfortunately,
it looks like it is:
> Object.prototype.toJSONString=function(){...
It also looks to me like the copy you referenced above has a pretty
serious syntax error in it which makes me wonder how it works at all:
> for(i=0;i<10?"0"+n:n; }
The compiler/interpreter will be expecting a parenthesis or
incrementer where that curly brace is.
FWIW,
--
T.J. Crowder
tj / crowder software / com
Independent Software Engineer, consulting services available
On Jul 12, 2:22 pm, Brian <thisismamm...@gmail.com> wrote:
> I'm using ProtoFish (and therefore Prototype) on a client project, and
> some parts of the project are hosted by a third-party web app that
> includes some JavaScript of their own.
>
> I've determined that one of the scripts (http://mcle.custhelp.com/cgi-
> bin/mcle.cfg/php/euf/application/development/source/rightnow/
> javascript/json-min.js) is conflicting with Prototype, breaking the
> drop down menus, and returning "Error: INVALID_CHARACTER_ERR: DOM
> Exception 5 / prototype.js:1817" in the Safari console.
>
> The details of the conflict are beyond my understanding of JS/
> Prototype, but I gather it has to do with both scripts trying to
> modify Object.prototype. I understand that extending JavaScript Array
> and Object types is controversial, and I'm not trying to re-raise that
> issue.
>
> I am wondering, however, if json-min.js is being a bad citizen, or
> simply doing the same type of thing that Prototype does, and therefore
> conflicting. And more importantly, is there anything I can do, since
> getting the third-party to modify their system is unlikely, to route
> around the collision?
>
> Thanks,
>
> Brian
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