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Private class fields

Category

JavaScript

Type

New or changed feature

Status

Enabled by default (Chrome 74)

Intent stage

None

Summary

This feature introduces private fields to classes in ECMAScript. Note: This entry only pertains to the private fields part of the proposal, not the public fields.

Standards & signals

• Specification: https://tc39.github.io/proposal-class-fields/
• Firefox: In development
• Safari: No signal
• Web developers: Mixed signals
• Tracking bug: https://bugs.chromium.org/p/v8/issues/detail?id=5368

Docs: https://v8.dev/features/class-fields#private-class-fields http://2ality.com/2017/07/class-fields.html https://github.com/tc39/proposal-class-fields/blob/master/README.md

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