Do not evaluate scripts or fire error/load events, if <script> elements are moved between Documents during fetching. Script elements can be still moved between Documents, but they won't be executed.


This is to prevent possible security bug, because there have been several bad XSS-related bugs in Chromium due to the code path for executing <script> elements moved between Documents.



Specification link

Specification being incubated in a Community Group

Status in Chromium


Enabled by default (tracking bug)

Consensus & Standardization

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


Intent to Prototype url

Intent to Prototype thread

Last updated on 2021-12-13