Set length property

Brendan Eich brendan at mozilla.org
Sun Feb 12 19:08:22 PST 2012


See the thread containing Dean Landolt's dissent on 'length' being the 
best name:

https://mail.mozilla.org/pipermail/es-discuss/2011-November/018571.html

The January 19 2012 meeting notes recorded here:

https://mail.mozilla.org/pipermail/es-discuss/2012-January/019784.html

include "At next meeting MarkM will present a tiny API proposal for maps 
and sets."

/be

Peter Michaux wrote:
> In the proposal, set objects have no length property. It is common to
> want to know the length of a set.
>
> http://wiki.ecmascript.org/doku.php?id=harmony:simple_maps_and_sets
>
> For example, it would be good to be able to do the following.
>
> var s = new Set();
> s.add('alpha');
> s.add('beta');
> s.length; // 2
>
>
> Peter
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