The Document.selectedStylesheetSet/preferredStylesheetSet attributes will be removed because they are non-standard and only implemented by Chrome and WebKit. The standard versions of these attributes were removed from the spec in 2016.

Status in Chromium

Blink>CSS


Removed (tracking bug)

Consensus & Standardization

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

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Owner

Last updated on 2020-11-19