[PATCH v5 2/2] mshtml: Populate the element props properly.

[Jacek Caban]

Hi Gabriel,

On 11/9/21 10:00 PM, Gabriel Ivăncescu wrote:
> --- a/dlls/mshtml/htmlelem.c
> +++ b/dlls/mshtml/htmlelem.c
> @@ -6516,7 +6516,10 @@ static HRESULT HTMLElement_populate_props(DispatchEx *dispex)
>           } else
>               V_BSTR(&value) = NULL;
>   
> -        IHTMLElement_setAttribute(&This->IHTMLElement_iface, name, value, 0);
> +        hres = IDispatchEx_GetDispID(&dispex->IDispatchEx_iface, name, fdexNameEnsure | fdexNameCaseInsensitive, &id);
> +        if(SUCCEEDED(hres))
> +            set_elem_attr_value_by_dispid(This, id, &value);


While this is probably the right thing for compat modes <IE9, later 
modes should not really need it. They should not expose attributes as JS 
properties, see the attached test. I think that entire 
HTMLElement_populate_props should be no-op on IE9+. That means that 
current attributes collection will not work for those cases, but AFICS 
it's already broken. The right fix for attributes collection would be to 
have its variant based on something like nsIDOMMozNamedAttrMap.


Thanks,

Jacek

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