On Tue, Jun 2, 2015 at 8:45 AM, Benjamin Gruenaum <[email protected]> wrote: > Thanks Domenic, > > Elaborating on your example with more details. Let's say you need to make > sure at a certain point that an object has not been tinkered with by user > code (for security reasons). You can't check the prototype or a symbol since > those can be faked and you can't keep a regular `Set` because that would > prevent any `Foo` object from ever being garbage collected.
Exactly. WeakSet's use-cases are all in the same family as WeakMap, just with a simpler set-up - rather than associating arbitrary data with the object, you just associate "is in this set" with it. ~TJ _______________________________________________ es-discuss mailing list [email protected] https://mail.mozilla.org/listinfo/es-discuss
