ES accessor usage guidelines (Was: Map/Set.prototype.size)

Erik Arvidsson erik.arvidsson at
Tue Oct 16 13:12:36 PDT 2012

On Mon, Oct 15, 2012 at 12:23 PM, Brendan Eich <brendan at> wrote:
> * get/set accessor may have effects on 'set' (see the DOM) but only on the
> receiver object (and unobservably, any children that become garbage, e.g.
> when trimming .length on an array-like).

That is very limiting, even as a guideline. Any time there are two or
more related objects it is very likely that a setter might affect some
other object.


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