extensionTypes
Some common types used in other WebExtension APIs.
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 |
? |
? |
? |
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.
|
No
This feature is supported but not exposed through the 'extensionTypes' object.
|
? |
? |
48 |
? |
? |
? |
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 |
? |
? |
? |
CSSOrigin |
No |
No |
53 |
? |
No |
No |
? |
? |
53 |
? |
? |
? |
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.
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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