[Proto-Scripty] Re: Alternatives to Protosafe?

2009-07-10 Thread Josh Powell

You cannot safely add Prototype to the target pages.  Prototype
changes javascript in general, not just jQuery.  It adds methods to
native objects. If the target pages are already running jQuery in
noConflict() mode then you won't interfere, but if you put their pages
in noConflict() mode then you will mess up their javascript that
relies on it.  There could also be custom code that relies on for
(each in obj) that will break if you add prototype, and there is no
way to check for that.

You will also be breaking pages that use mootools, which does not have
a noConflict() mode.

Prototype does not have a noConflict() mode because the theory behind
it prevents that from happening, once native objects are extended
there is no way to unextend them.  You are going to have to use jQuery
or Dojo for this project if you want to add a library to their pages.
Probably jQuery as it only adds the jQuery variable to the global
namespace, and even then you should use noConflict() mode and return
the $ to its previous state before exiting your code, so in case they
are using jQuery you give them back use of $ before you are done.

If you want to do the least potential damage by adding Prototype to
others pages, then check to make sure it doesn't already exist, and
then check to make sure $ doesn't already exist, and if it does
disable any special effects or give a warning saying that this feature
cannot be used because it will interfere with the existing code.

Good luck!

On Jul 9, 12:10 pm, Diodeus diod...@gmail.com wrote:
 I am working on a content delivery solution. This would allow people
 to include some content on their page by adding a script tag. I would
 like to add some slickness to the content, so I would like to use
 Prototype.

 I'm looking for some suggestions to safely add Prototype to the target
 pages (I'm inserting a script tag dynamically) without interfering
 with an existing copy of Prototype, jQuery or other libraries.
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[Proto-Scripty] Re: Alternatives to Protosafe?

2009-07-10 Thread Josh Powell

If other libraries or js code extend the native objects with the same
methods, the one included last wins.  In this case, it will almost
always be prototype because he is loading it dynamically.

On Jul 10, 1:04 pm, Matt Foster mattfoste...@gmail.com wrote:
 Besides the $ function and using for(var in ) for iteration over an
 array.  I can't think of other conflicts prototype would cause with
 existing code.

 --

 http://positionabsolute.net

 On Jul 10, 2:41 pm, Josh Powell seas...@gmail.com wrote:

  You cannot safely add Prototype to the target pages.  Prototype
  changes javascript in general, not just jQuery.  It adds methods to
  native objects. If the target pages are already running jQuery in
  noConflict() mode then you won't interfere, but if you put their pages
  in noConflict() mode then you will mess up their javascript that
  relies on it.  There could also be custom code that relies on for
  (each in obj) that will break if you add prototype, and there is no
  way to check for that.

  You will also be breaking pages that use mootools, which does not have
  a noConflict() mode.

  Prototype does not have a noConflict() mode because the theory behind
  it prevents that from happening, once native objects are extended
  there is no way to unextend them.  You are going to have to use jQuery
  or Dojo for this project if you want to add a library to their pages.
  Probably jQuery as it only adds the jQuery variable to the global
  namespace, and even then you should use noConflict() mode and return
  the $ to its previous state before exiting your code, so in case they
  are using jQuery you give them back use of $ before you are done.

  If you want to do the least potential damage by adding Prototype to
  others pages, then check to make sure it doesn't already exist, and
  then check to make sure $ doesn't already exist, and if it does
  disable any special effects or give a warning saying that this feature
  cannot be used because it will interfere with the existing code.

  Good luck!

  On Jul 9, 12:10 pm, Diodeus diod...@gmail.com wrote:

   I am working on a content delivery solution. This would allow people
   to include some content on their page by adding a script tag. I would
   like to add some slickness to the content, so I would like to use
   Prototype.

   I'm looking for some suggestions to safely add Prototype to the target
   pages (I'm inserting a script tag dynamically) without interfering
   with an existing copy of Prototype, jQuery or other libraries.
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[Proto-Scripty] Re: Alternatives to Protosafe?

2009-07-09 Thread Alex McAuley

You could check for the jQuery object - this will get round jQuery...

if(jQuery) {
..

}
There must be prototype only objects/functions/classes you can test for in 
prototype

I am not sure about other libraries but i think extjs uses the Ext. 
namespace and similar with yahoo
- Original Message - 
From: Diodeus diod...@gmail.com
To: Prototype  script.aculo.us prototype-scriptaculous@googlegroups.com
Sent: Thursday, July 09, 2009 8:10 PM
Subject: [Proto-Scripty] Alternatives to Protosafe?



 I am working on a content delivery solution. This would allow people
 to include some content on their page by adding a script tag. I would
 like to add some slickness to the content, so I would like to use
 Prototype.

 I'm looking for some suggestions to safely add Prototype to the target
 pages (I'm inserting a script tag dynamically) without interfering
 with an existing copy of Prototype, jQuery or other libraries.

 
 


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[Proto-Scripty] Re: Alternatives to Protosafe?

2009-07-09 Thread Diodeus

I'd rather not test for conflicts, but rather to safely coexist.

On Jul 9, 4:48 pm, Alex McAuley webmas...@thecarmarketplace.com
wrote:
 You could check for the jQuery object - this will get round jQuery...

 if(jQuery) {
 ..

 }

 There must be prototype only objects/functions/classes you can test for in
 prototype

 I am not sure about other libraries but i think extjs uses the Ext.
 namespace and similar with yahoo

 - Original Message -
 From: Diodeus diod...@gmail.com
 To: Prototype  script.aculo.us prototype-scriptaculous@googlegroups.com
 Sent: Thursday, July 09, 2009 8:10 PM
 Subject: [Proto-Scripty] Alternatives to Protosafe?

  I am working on a content delivery solution. This would allow people
  to include some content on their page by adding a script tag. I would
  like to add some slickness to the content, so I would like to use
  Prototype.

  I'm looking for some suggestions to safely add Prototype to the target
  pages (I'm inserting a script tag dynamically) without interfering
  with an existing copy of Prototype, jQuery or other libraries.
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[Proto-Scripty] Re: Alternatives to Protosafe?

2009-07-09 Thread waldron.r...@gmail.com

Alex, he can just check for Prototype :)

if ( Prototype ) {
.
}


-Original Message-
Date: Thursday, July 09, 2009 4:48:45 pm
To: prototype-scriptaculous@googlegroups.com
From: Alex McAuley webmas...@thecarmarketplace.com
Subject: [Proto-Scripty] Re: Alternatives to Protosafe?


You could check for the jQuery object - this will get round jQuery...

if(jQuery) {
..

}
There must be prototype only objects/functions/classes you can test for in 
prototype

I am not sure about other libraries but i think extjs uses the Ext. 
namespace and similar with yahoo
- Original Message - 
From: Diodeus diod...@gmail.com
To: Prototype  script.aculo.us prototype-scriptaculous@googlegroups.com
Sent: Thursday, July 09, 2009 8:10 PM
Subject: [Proto-Scripty] Alternatives to Protosafe?



 I am working on a content delivery solution. This would allow people
 to include some content on their page by adding a script tag. I would
 like to add some slickness to the content, so I would like to use
 Prototype.

 I'm looking for some suggestions to safely add Prototype to the target
 pages (I'm inserting a script tag dynamically) without interfering
 with an existing copy of Prototype, jQuery or other libraries.

 
 





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[Proto-Scripty] Re: Alternatives to Protosafe?

2009-07-09 Thread Alex McAuley

Doh!... didnt think of that
- Original Message - 
From: waldron.r...@gmail.com
To: prototype-scriptaculous@googlegroups.com
Sent: Thursday, July 09, 2009 9:58 PM
Subject: [Proto-Scripty] Re: Alternatives to Protosafe?



 Alex, he can just check for Prototype :)

 if ( Prototype ) {
 .
 }


 -Original Message-
 Date: Thursday, July 09, 2009 4:48:45 pm
 To: prototype-scriptaculous@googlegroups.com
 From: Alex McAuley webmas...@thecarmarketplace.com
 Subject: [Proto-Scripty] Re: Alternatives to Protosafe?


 You could check for the jQuery object - this will get round jQuery...

 if(jQuery) {
 ..

 }
 There must be prototype only objects/functions/classes you can test for in
 prototype

 I am not sure about other libraries but i think extjs uses the Ext.
 namespace and similar with yahoo
 - Original Message - 
 From: Diodeus diod...@gmail.com
 To: Prototype  script.aculo.us 
 prototype-scriptaculous@googlegroups.com
 Sent: Thursday, July 09, 2009 8:10 PM
 Subject: [Proto-Scripty] Alternatives to Protosafe?



 I am working on a content delivery solution. This would allow people
 to include some content on their page by adding a script tag. I would
 like to add some slickness to the content, so I would like to use
 Prototype.

 I'm looking for some suggestions to safely add Prototype to the target
 pages (I'm inserting a script tag dynamically) without interfering
 with an existing copy of Prototype, jQuery or other libraries.

 






 
 


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