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 | |
ImageDetails |
Yes
|
14
|
45
|
?
|
Yes
|
14
|
?
|
?
|
48
|
?
|
15
|
?
|
ImageFormat |
Yes
This feature is supported but not exposed through the 'extensionTypes' object.
|
14
This feature is supported but not exposed through the 'extensionTypes' object.
|
45
|
?
|
Yes
This feature is supported but not exposed through the 'extensionTypes' object.
|
14
This feature is supported but not exposed through the 'extensionTypes' object.
|
?
|
?
|
48
|
?
|
15
This feature is supported but not exposed through the 'extensionTypes' object.
|
?
|
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.
|
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."]
|
?
|
CSSOrigin |
No
|
No
|
53
|
?
|
No
|
No
|
?
|
?
|
53
|
?
|
No
|
?
|
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.
© 2005–2022 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
