To clarify, what engine has the bug here? I've lost that context. On Tue, Jan 10, 2017, 14:54 Michał Wadas <[email protected]> wrote:
> Actually here spec repeats itself because... > > *A conforming implementation of ECMAScript may provide additional* types, > values, objects, *properties*, and functions beyond those described in > this specification. *In particular, a conforming implementation of > ECMAScript may provide properties not described in this specification, and > values for those properties, for objects that are described in this > specification*. > > So implementation is explicitly allowed to add new properties on objects. > > Though, internal methods and internal slots are not properties: > > Internal slots correspond to internal state that is associated with > objects and used by various ECMAScript specification algorithms. *Internal > slots are not object properties* and they are not inherited. > > So it's spec violation to have custom [[GetOwnProperty]] implementation on > ordinary objects. > On 10/01/17 20:36, Boris Zbarsky wrote: > > On 1/10/17 2:31 PM, Michał Wadas wrote: > > Implementations are allowed to extend objects. Otherwise presence of > global/console/// would violate spec... > > > http://www.ecma-international.org/ecma-262/6.0/#sec-global-object > explicitly says that the global object may have additional properties, so > global .console is clearly not a spec violation. > > -Boris > _______________________________________________ > es-discuss mailing list > [email protected] > https://mail.mozilla.org/listinfo/es-discuss > > > _______________________________________________ > es-discuss mailing list > [email protected] > https://mail.mozilla.org/listinfo/es-discuss >
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