Private Slots

Allen Wirfs-Brock allen at wirfs-brock.com
Mon Jan 14 08:50:26 PST 2013


On Jan 14, 2013, at 8:38 AM, Kevin Smith wrote:

> 
> There is no "new kind of slot".  Symbols, private and otherwise, go in
> exactly the same kind of slot as any other object property.
> 
> Slots keyed with private symbols have different, novel behavior.  Behavior that did not exist before.  At the very least, these slots are:
> 
> 1) Strongly non-reflective
> 2) Unfreezable

Private named slots can be  "frozen"  just like any slot by setting their writable and configurable attributes to false.  It is just that the Object.freeze function does not do so for such properties.

Allen
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