Unscopables allows properties to be hidden to with statement lookup rules. This is important for adding new properties to existing objects both in JavaScript and in DOM.

Specification

Specification link


Final published standard: Recommendation, Living Standard, Candidate Recommendation, or similar final form

Status in Chromium

Blink


Enabled by default (tracking bug)

Consensus & Standardization

After a feature ships in Chrome, the values listed here are not guaranteed to be up to date.

Owner

Last updated on 2020-12-11