The trend seems to be to rely on typeof less and less as time passes: From the March 2019 Agenda <https://github.com/tc39/agendas/blob/274e49412c09f81a0a82f386e6eead481c69adad/2019/03.md>:
“Implementation-defined typeof still necessary?” <https://github.com/tc39/ecma262/issues/1440> “Normative: Remove implementation-defined typeof behavior” <https://github.com/tc39/ecma262/pull/1441> The only real discussion around this I can find is from a related proposal from Brendan Eich a few years ago: https://esdiscuss.org/topic/typeof-extensibility-building-on-my-value-objects-slides-from-thursday-s-tc39-meeting From: ViliusCreator <[email protected]> Sent: Saturday, July 27, 2019 2:04 PM To: Michael Haufe <[email protected]> Subject: RE: Proposal: Typeof Trap Yes, but it traps `typeof `, not `instanceof`. There’s difference there.
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