Symbols, Protocols, Frames, and Versioning

Brendan Eich brendan at
Sat Oct 6 09:37:24 PDT 2012

Domenic Denicola wrote:
> I still would like to see someone respond to jjb’s message though: 

JJB is right about same-origin allowing sharing so making postMessage 
unnecessary, but same-origin does not mean a symbol created by a module 
loaded in one frame is the same as the symbol created by that module 
loaded in a related same-origin frame. That's the trouble.


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