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brad4dcommented, Apr 18, 2019

The fact that they’re working in Chrome is one of the reasons we expect them to be added to the standard in ES_2020. The TC39 process requires working implementations of a feature before making it part of the standard.

The closure-compiler team’s goal is to follow the standard rather than any particular browser implementation, even Google’s own.

FWIW, I’m rather anxious to add support for these. I feel they’re long overdue.

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xmedekocommented, Dec 21, 2021

Duplicate of #2731

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