Should host objects be able to have [[Class]] "Function", "Array" etc.?

David-Sarah Hopwood david.hopwood at
Mon Nov 17 20:41:01 PST 2008

Mike Shaver wrote:
> On Mon, Nov 17, 2008 at 10:32 PM, Garrett Smith <dhtmlkitchen at> wrote:
>> Internet Explorer 4 had css filters that predates the SVG filter
>> (AFAIK). SVG filter creates a compatibility problem. Maciej says that
>> they worked around this by having style.filter return undefined, but
>> have that undefined be a special value that is == to "". I think it
>> would be a good idea to raise the issue with the SVG WG. If the SVG WG
>> wants to act in good faith, they should consider creating an
>> alternative property name for browsers, style.svgFilter, for example.
> As Maciej said earlier in this thread, "this has been raised many
> times with the SVG Working Group and they did not agree".

Browser implementors have the option to refuse to implement that property
until they do agree.

David-Sarah Hopwood

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