Use cases for WeakMap

Rick Waldron waldron.rick at gmail.com
Sat May 14 18:06:19 PDT 2011


Boris,

Would you mind sharing a piece of working code (as in, runs in the latest
Firefox Nightly) that demonstrates your example in a real world scenario?
This would be greatly appreciated

Rick

On Sat, May 14, 2011 at 8:55 PM, Boris Zbarsky <bzbarsky at mit.edu> wrote:

> On 5/14/11 6:37 PM, Oliver Hunt wrote:
>
>> Can you provide a use case where you have an object key as the usual
>> programming idiom?
>>
>
> Attaching metadata to object without polluting the objects themselves.
>
> For example, Firefox extensions want to do this all the time for various
> DOM objects (and especially Window).
>
> -Boris
>
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