On Nov 14, 2014, at 11:41 AM, Domenic Denicola wrote: > From: Allen Wirfs-Brock [mailto:[email protected]] > >> What do you mean by "is an instance of some %ArrayPrototype%"? Do you mean >> that it has some %ArratPrototype% in it's prototype chain? > > Yeah, more or less. A "realm-independent instanceof." This makes sense also > from the historical perspective that `Array.isArray` was meant to provide a > cross-realm alternative to `instanceof Array`. (I believe that was the case; > before my time.)
No really, it was a way to expose a test of the [[Class]] internal property. That test wasn't dependent upon the [[Prototype]] chain. Allen _______________________________________________ es-discuss mailing list [email protected] https://mail.mozilla.org/listinfo/es-discuss
