extensionTypes.RunAt

The soonest that the JavaScript or CSS will be injected into the tab.

Type

Values of this type are strings. Possible values are: "document_start", "document_end", "document_idle".

  • "document_start": corresponds to loading. The DOM is still loading.
  • "document_end": corresponds to interactive. The DOM has finished loading, but resources such as scripts and images may still be loading.
  • "document_idle": corresponds to complete. The document and all its resources have finished loading.

The default value is "document_idle".

Browser compatibility

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxOperaFirefox for Android
Basic supportChrome Partial support 20
Notes
Partial support 20
Notes
Notes This feature is supported but not exposed through the 'extensionTypes' object.
Edge No support NoFirefox Full support 45Opera Partial support 15
Notes
Partial support 15
Notes
Notes This feature is supported but not exposed through the 'extensionTypes' object.
Firefox Android Full support 48

Legend

Full support  
Full support
Partial support  
Partial support
No support  
No support
See implementation notes.
See implementation notes.

Acknowledgements

This API is based on Chromium's chrome.extensionTypes API. This documentation is derived from extension_types.json in the Chromium code.

Microsoft Edge compatibility data is supplied by Microsoft Corporation and is included here under the Creative Commons Attribution 3.0 United States License.

Document Tags and Contributors

Contributors to this page: LinusU, Makyen, wbamberg
Last updated by: LinusU,