Compatibility problem with Safari

> Hi Team,
>
> I recently tried to view my xforms app in Safari (1.3.2) and was surprised
> to find that every xform interaction produces the following error message:
>
> Error while processing response: Value undefined (result of expression
> this._http_header.hasOwnProperty) is not object.
>
> This error also occurred when I viewed the www.orbeon.com demo pages as
> well.
>
> A bit of Google searching found this page:
> <http://phrogz.net/JS/hasOwnProperty.html> which indicates that "Safari (up
> to and including version 2.0) does not support this method."
>
>
> I found this workaround on a blog
> <http://erik.eae.net/archives/2005/06/06/22.13.54>:
> if( !Object.prototype.hasOwnProperty )
> {
>         Object.prototype.hasOwnProperty = function( property )
>         {
>                 try
>                 {
>                         var prototype = this.constructor.prototype;
>                         while( prototype )
>                         {
>                                 if( prototype[ property ] == this[ property ] )
>                                 {
>                                         return false;
>                                 }
>                                 prototype = prototype.prototype;
>                         }
>                 } catch( e ) {}
>                         return true;
>                 }
> }
>
> I also notice YAHOO.lang provides a hasOwnProperty function. Maybe you can
> switch over to using this (or modify your supported browser statement).
>
> Chris.
> --
> ----------------------
> Chris Bailey
> [hidden email]
>
>
>
> --
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>
>

> Hi Chris,
>
> Which example can I try to reproduce this problem? I tried the
> Government Forms and Controls examples, and both are working fine for
> me on Safari.
>
> Alex
>
> On 4/23/07, Chris Bailey <[hidden email]> wrote:
>> Hi Team,
>>
>> I recently tried to view my xforms app in Safari (1.3.2) and was
>> surprised to find that every xform interaction produces the following
>> error message:
>>
>> Error while processing response: Value undefined (result of expression
>> this._http_header.hasOwnProperty) is not object.
>>
>> This error also occurred when I viewed the www.orbeon.com demo pages as
>> well.
>>
>> A bit of Google searching found this page:
>> <http://phrogz.net/JS/hasOwnProperty.html> which indicates that "Safari
>> (up to and including version 2.0) does not support this method."
>>
>>
>> I found this workaround on a blog
>> <http://erik.eae.net/archives/2005/06/06/22.13.54>:
>> if( !Object.prototype.hasOwnProperty )
>> {
>>         Object.prototype.hasOwnProperty = function( property )
>>         {
>>                 try
>>                 {
>>                         var prototype = this.constructor.prototype;
>>                         while( prototype )
>>                         {
>>                                 if( prototype[ property ] == this[
>>                                 property ] ) {
>>                                         return false;
>>                                 }
>>                                 prototype = prototype.prototype;
>>                         }
>>                 } catch( e ) {}
>>                         return true;
>>                 }
>> }
>>
>> I also notice YAHOO.lang provides a hasOwnProperty function. Maybe you
>> can switch over to using this (or modify your supported browser
>> statement).
>>
>> Chris.
>> --
>> ----------------------
>> Chris Bailey
>> [hidden email]
>>
>>
>>
>> --
>> You receive this message as a subscriber of the [hidden email]
>> mailing list. To unsubscribe: mailto:[hidden email]
>> For general help: mailto:[hidden email]?subject=help
>> ObjectWeb mailing lists service home page: http://www.objectweb.org/wws
>>

> Strange - I got the error message when viewing the Government Forms example.
>
> While initially I thought it must be a problem with my browser it is clear
> that hasOwnProperty is only defined in Safari 2.0.2 and above so it should
> be producing an error in earlier browsers (as a quick look through your
> code shows you don't seem to define hasOwnProperty yourselves).
>
> <http://webkit.org/blog/32/webkit-fixes-in-safari-202-mac-os-x-1043/>
>
> Chris.
>
> --On 23 April 2007 12:20 -0700 Alessandro Vernet <[hidden email]> wrote:
>
> > Hi Chris,
> >
> > Which example can I try to reproduce this problem? I tried the
> > Government Forms and Controls examples, and both are working fine for
> > me on Safari.
> >
> > Alex
> >
> > On 4/23/07, Chris Bailey <[hidden email]> wrote:
> >> Hi Team,
> >>
> >> I recently tried to view my xforms app in Safari (1.3.2) and was
> >> surprised to find that every xform interaction produces the following
> >> error message:
> >>
> >> Error while processing response: Value undefined (result of expression
> >> this._http_header.hasOwnProperty) is not object.
> >>
> >> This error also occurred when I viewed the www.orbeon.com demo pages as
> >> well.
> >>
> >> A bit of Google searching found this page:
> >> <http://phrogz.net/JS/hasOwnProperty.html> which indicates that "Safari
> >> (up to and including version 2.0) does not support this method."
> >>
> >>
> >> I found this workaround on a blog
> >> <http://erik.eae.net/archives/2005/06/06/22.13.54>:
> >> if( !Object.prototype.hasOwnProperty )
> >> {
> >>         Object.prototype.hasOwnProperty = function( property )
> >>         {
> >>                 try
> >>                 {
> >>                         var prototype = this.constructor.prototype;
> >>                         while( prototype )
> >>                         {
> >>                                 if( prototype[ property ] == this[
> >>                                 property ] ) {
> >>                                         return false;
> >>                                 }
> >>                                 prototype = prototype.prototype;
> >>                         }
> >>                 } catch( e ) {}
> >>                         return true;
> >>                 }
> >> }
> >>
> >> I also notice YAHOO.lang provides a hasOwnProperty function. Maybe you
> >> can switch over to using this (or modify your supported browser
> >> statement).
> >>
> >> Chris.
> >> --
> >> ----------------------
> >> Chris Bailey
> >> [hidden email]
> >>
> >>
> >>
> >> --
> >> You receive this message as a subscriber of the [hidden email]
> >> mailing list. To unsubscribe: mailto:[hidden email]
> >> For general help: mailto:[hidden email]?subject=help
> >> ObjectWeb mailing lists service home page: http://www.objectweb.org/wws
> >>
>
>
>
> --
> ----------------------
> Chris Bailey
> [hidden email]
>
>
>
> --
> You receive this message as a subscriber of the [hidden email] mailing list.
> To unsubscribe: mailto:[hidden email]
> For general help: mailto:[hidden email]?subject=help
> ObjectWeb mailing lists service home page: http://www.objectweb.org/wws
>
>