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