> private @FooBrand;
> class Foo {
> constructor() {
> /* establish the internal Fooness of the instance */
> this.@FooBrand = true;
> }
> }
> Foo.isFoo = function (obj) {return !!obj.@FooBrand};
>Using this strategy, will isFoo not fail, if the specified object came from a different global context (frame)? Kevin
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