These are non-standard extensions to the Range interface introduced in 2006 and 2009 respectively: https://trac.webkit.org/changeset/48271 https://trac.webkit.org/changeset/16302
Documentation
Status in Chromium
Removed (tracking bug) in:
- Chrome for desktop release 45
- Chrome for Android release 45
- Android WebView release 45
Consensus & Standardization
After a feature ships in Chrome, the values listed here are not guaranteed to be up to date.
- No signal
- No signal
- No signal
- No signals
Owner
Last updated on 2020-11-09