Some common types used in other WebExtension APIs.
extensionTypes
Types
-
extensionTypes.ImageDetails -
Details about the format and quality of an image.
-
extensionTypes.ImageFormat -
The format of an image.
-
extensionTypes.InjectDetails -
Injects details into a page.
-
extensionTypes.RunAt -
The soonest that the JavaScript or CSS will be injected into the tab.
-
extensionTypes.CSSOrigin -
Indicates whether a CSS stylesheet injected by
tabs.insertCSSshould be treated as an "author" or "user" stylesheet.
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 | |
CSSOrigin |
No | No | 53 | ? | No | No | ? | ? | 53 | ? | No | ? |
ImageDetails |
Yes | 14 | 45 | ? | Yes | 14 | ? | ? | 48 | ? | 15 | ? |
ImageFormat |
YesThis feature is supported but not exposed through the 'extensionTypes' object. |
14This feature is supported but not exposed through the 'extensionTypes' object. |
45 | ? |
YesThis feature is supported but not exposed through the 'extensionTypes' object. |
14This feature is supported but not exposed through the 'extensionTypes' object. |
? | ? | 48 | ? |
15This feature is supported but not exposed through the 'extensionTypes' object. |
? |
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