Testing in Firefox 3.0.1 showed that using 'xml:id' does not work.
But Firefox implements a Javascript function to evaluate XPath
expressions, so I figured it would be possible to find the element
this way. Here's the code for a function which works with both 'id'
and 'xml:id' in Firefox, and will work in all browsers in which
getElementById() gives a result:
function myGetElementById(id) {
var element = document.getElementById(id);
if(element==null && document.evaluate!=null) {
element = document.evaluate(
'//[EMAIL PROTECTED]:id="' + id + '" or @id="' + id + '"]',
document,
function(ns) {
switch(ns) {
case "xml":
return "http://www.w3.org/XML/1998/namespace";;
case null:
return null;
}
},
XPathResult.ANY_TYPE,
null
).iterateNext();
}
return element;
}
--- In svg-developers@yahoogroups.com, Erik Dahlström <[EMAIL PROTECTED]> wrote:
>
> The elements are part of the DOM tree, since it's XML, but the 'id'
attribute is not of type ID for arbitrary XML. You could use 'xml:id'
in such cases, but I'm not sure FF supports that. The other option is
to push for FF to recognize the elements as SVG elements.
>
> Cheers
> /Erik
>
> On Thu, 30 Oct 2008 16:44:49 +0100, Klaus Förster
<[EMAIL PROTECTED]> wrote:
>
> > Olaf, could it be that this is due to missing animation support
in FF3.
> > It seems that unknown elements are discarded and thus not part of
the
> > DOM tree ...
> >
> > Klaus
> >
> > Olaf Schnabel wrote:
> >>
> >>
> >> Hi developers
> >>
> >> I currently try to detect an animation element in a SVG file with
> >> document.getElementById(). Unfortunately, Firefox 3.0.3 returns
always
> >> "null". In Opera 9.62 and IE7+ASV3.03 this example works well (I
am
> >> working on Windows XP SP3). Has somebody an idea how this can
be? I
> >> thought that getElementById() is implemented in all major
browsers???
> >>
> >> Here is the link to the example:
> >> http://www.ika.ethz.ch/schnabel/getelementbyid_firefoxbug.svg
> >> <http://www.ika.ethz.ch/schnabel/getelementbyid_firefoxbug.svg>
> >>
> >> Thanks for your help.
> >> Regards
> >> Olaf
> >>
> >> --
> >> Dr. Olaf Schnabel
> >> Institute of Cartography
> >> ETH Zurich
> >> Wolfgang-Pauli-Str. 15
> >> 8093 Zurich
> >> Switzerland
> >>
> >> tel: ++41 44 633 3031
> >> fax: ++41 44 633 1153
> >> e-mail: [EMAIL PROTECTED] <mailto:oschnabel%40ethz.ch>
> >> www private: http://www.ika.ethz.ch/schnabel
> >> <http://www.ika.ethz.ch/schnabel>
> >> www project: http://www.e-cartouche.ch <http://www.e-
cartouche.ch>
> >> www institute: http://www.karto.ethz.ch <http://
www.karto.ethz.ch>
> >>
> >>
> >
>
>
>
> --
> Erik Dahlstrom, Core Technology Developer, Opera Software
> Co-Chair, W3C SVG Working Group
> Personal blog: http://my.opera.com/macdev_ed
>
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