es7 proposal/polyfill?: base Map/WeakMap off Proxy + Weak References

Coroutines coroutines at gmail.com
Fri Feb 19 21:06:02 UTC 2016


On Fri, Feb 19, 2016 at 1:03 PM, Tab Atkins Jr. <jackalmage at gmail.com> wrote:
> On Fri, Feb 19, 2016 at 12:59 PM, Boris Zbarsky <bzbarsky at mit.edu> wrote:
>> On 2/19/16 3:50 PM, Coroutines wrote:
>>> Side discussion: Why does Javascript have this limitation? - what I
>>> view as a limitation?  You'd think this could be supported without
>>> breaking older JS..
>>
>> I don't see how it could.  I'll bet $50 someone out there is using
>> obj[location] for example.
>
> Yes, relying on the stringification behavior is very common.
> Absolutely no way to change it at this point without something like
> AWB's (abandoned) Object Model Reformation proposal
> <http://wiki.ecmascript.org/doku.php?id=strawman:object_model_reformation>
> that would allow changing the behavior of [].

Learning to dance around the broken relics of the old world forever... :(


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