Not necessarily: you could have an environment that is global to all frames. But that seems like a security risk.
On Oct 3, 2012, at 21:40 , Kevin Smith <[email protected]> wrote: > > So should there be a way in the language to create singleton symbols? If so, > how? > > new Symbol("21fef4ae-1439-4b6a-b412-3585906b35f1"); > > : ) Joking, of course. > > Seriously though, in order to specify a singleton symbol in user code, you'd > have to give the system enough information to be able to identify other > occurrences of such a symbol in the multi-global environment. So in effect, > you'd have to supply the system with a globally unique identifier. Ergo, > we've travelled right back around to maintaining a global namespace. > "org.ecmascript.system.iterator", anyone? ; ) > > You could say that the URL of the script where the symbol is defined forms > the basis of such a unique identifier, but we'd still have to worry about > multiple copies of the same script (or perhaps different versions) located at > different URLs. > > Kevin > _______________________________________________ > es-discuss mailing list > [email protected] > https://mail.mozilla.org/listinfo/es-discuss -- Dr. Axel Rauschmayer [email protected] home: rauschma.de twitter: twitter.com/rauschma blog: 2ality.com
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