Allows developers to selectively enable and disable use of synchronous script execution through the feature policy HTTP header or the <iframe> "allow" attribute. The identifier for the feature in policies is "sync-script". By default, synchronous script execution is allowed in all frames. If developers wish to disable this on any page, they can include a header like: Feature-Policy: sync-script 'none'
Documentation
Status in Chromium
In development
(tracking bug)
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 signals
Owner
Last updated on 2022-01-21