Change the initial value of document.designMode from "inherit" to "off" and remove support for "inherit".
Specification
Status in Chromium
Enabled by default (tracking bug) in:
- Chrome for desktop release 43
- Chrome for Android release 43
- Android WebView release 43
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
Comments
Firefox already implements this behavior, and IE effectively implements it as well. The proposed behavior also matches the spec and removes implementation complexity for out-of-process iframes.