DOMTokenList has a "supported tokens" concept which will enable feature detection of things like sandbox flags and link relations.

Documentation

Specification

Established standard

Status in Chromium

Blink


Enabled by default (tracking bug) in:

  • Chrome for desktop release 50
  • Chrome for Android release 50
  • Chrome for iOS release 50
  • Android WebView release 50

Consensus & Standardization

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

  • Positive
  • No signal
  • No signal
  • No signals

Owner

Last updated on 2020-11-09