The soonest that the JavaScript or CSS will be injected into the tab.
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".
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
RunAt |
20
This feature is supported but not exposed through the 'extensionTypes' object.
|
79
This feature is supported but not exposed through the 'extensionTypes' object.
|
45 |
? |
15
This feature is supported but not exposed through the 'extensionTypes' object.
|
No
This feature is supported but not exposed through the 'extensionTypes' object.
|
? |
? |
48 |
? |
? |
? |
Note: 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.
© 2005–2021 MDN contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/API/extensionTypes/RunAt