The soonest that the JavaScript or CSS will be injected into the tab.
extensionTypes.RunAt
Type
Values of this type are strings. Possible values are: "document_start", "document_end", "document_idle".
"document_start": corresponds toloading. The DOM is still loading."document_end": corresponds tointeractive. The DOM has finished loading, but resources such as scripts and images may still be loading."document_idle": corresponds tocomplete. The document and all its resources have finished loading.
The default value is "document_idle".
Browser compatibility
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
RunAt |
20This feature is supported but not exposed through the 'extensionTypes' object. |
79This feature is supported but not exposed through the 'extensionTypes' object. |
45 | ? |
15This feature is supported but not exposed through the 'extensionTypes' object. |
14["This feature is supported but not exposed through the 'extensionTypes' object.", "'document_idle' and 'document_end' are treated the same."] |
? | ? | 48 | ? |
15["This feature is supported but not exposed through the 'extensionTypes' object.", "'document_idle' and 'document_end' are treated the same."] |
? |
Note: This API is based on Chromium's chrome.extensionTypes API. This documentation is derived from extension_types.json in the Chromium code.
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https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/API/extensionTypes/RunAt