Matter resolved.
Thanks to all of you.
Franck PORCHER
T.J. Crowder wrote:
>>I will be reviewing prtotype's Class.create to see if we cannot achieve
>>the same result with an anonymous function, for which Firefox JS engine
>>*does not* expose anything in the name slot (I already tested this).
>>
>>
>
>Yes it does; it exposes a blank string:
>
>function go()
>{
> var f;
>
> f = function() { return 5; };
>
> alert("typeof f.name == " + typeof f.name);
>}
>
>...alerts "typeof f.name == string" not "typeof f.name == undefined".
>
>And the property is still read-only:
>
>function go()
>{
> var f;
>
> f = function() { return 5; };
>
> alert("f.name (1) == " + f.name);
>
> f.name = "flibbergibbett";
>
> alert("f.name (2) == " + f.name);
>}
>
>The second alert still shows the name as a blank string.
>--
>T.J. Crowder
>tj / crowder software / com
>
>On Jun 9, 5:50 am, Franck PORCHER <[EMAIL PROTECTED]> wrote:
>
>
>>Yes Jeff, I'm using Firefox (Linux & FreeBSD plat-forms).
>>
>>And peering at the source code, one can see that Class.create() defines
>>an explicit klass() function, hence the 'klass' display.
>>
>>Apparently, this property in not mutable. Something of a pain :-[
>>
>>I will be reviewing prtotype's Class.create to see if we cannot achieve
>>the same result with an anonymous function, for which Firefox JS engine
>>*does not* expose anything in the name slot (I already tested this).
>>
>>Franck
>>
>>Franck Porcher, Docteur ès Sciences (Paris VI), Informatique théorique
>>
>>----------------------------------------------------------------------
>>SMART Technologies Les solutions intelligentes
>>----------------------------------------------------------------------
>>Société de Services et d'Ingénierie en Informatique
>>Solutions Open Source Linux & FreeBSD
>>1995-2008 : Premier fournisseur en Polynésie française
>>
>>Tél: (689) 711 911
>>Email: fporcher(at)smartech(dot)pf
>>Web: www(dot)smartech(dot)pf
>>----------------------------------------------------------------------
>>"You can analyze the past but you have to design the future."
>>
>>Jeff Watkins wrote:
>>
>>
>>>Off the top of my head, I'd guess you're using FireFox. I know the JS
>>>engine in FireFox (SpiderMonkey) exposes the name of a function via
>>>the `name` property, however, I don't know whether that property is
>>>mutable.
>>>
>>>
>>>My guess, from the behaviour of your code, is `name` is not a mutable
>>>property.
>>>
>>>
>>>On 8 Jun, 2008, at 9:06 PM, Franck PORCHER wrote:
>>>
>>>
>>>>Hello,
>>>>
>>>>
>>>>I have been trying for days o understand what I have missed.
>>>>
>>>>
>>>>I have narrowed down the problem to this, where I create a simple
>>>>class 'foo' that I extend to assign a private member 'name' set to 'FOO':
>>>>
>>>>
>>>> var foo = Class.create({});
>>>>
>>>>
>>>> Object.extend( foo, { name : 'FOO' } );
>>>>
>>>>
>>>>Then :
>>>>
>>>>
>>>> alert(foo.name)
>>>>
>>>>
>>>>surprisingly displays
>>>>
>>>>
>>>> klass
>>>>
>>>>
>>>>(instead of FOO)
>>>>
>>>>
>>>>Samething if I explicitely force the value to 'FOO'
>>>>
>>>>
>>>> foo.name = 'FOO'
>>>>
>>>>
>>>>Is there someone in the position to tell me what is going on, and why
>>>>foo's private member 'name' does not hold its value. This does not
>>>>happen if I choose another name for the private member.
>>>>
>>>>
>>>>This has been most upsetting to me for days now, and I fail to
>>>>understand what I am missing.
>>>>
>>>>
>>>>So thank you to anyone who would help me understand my mistake if
>>>>this is not a bug.
>>>>
>>>>
>>>>Franck PORCHER
>>>>
>>>>
>>
>
>
>
--~--~---------~--~----~------------~-------~--~----~
You received this message because you are subscribed to the Google Groups
"Prototype: Core" group.
To post to this group, send email to prototype-core@googlegroups.com
To unsubscribe from this group, send email to [EMAIL PROTECTED]
For more options, visit this group at
http://groups.google.com/group/prototype-core?hl=en
-~----------~----~----~----~------~----~------~--~---
