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.insertCSS
should be treated as an "author" or "user" stylesheet.
Browser compatibility
Report problems with this compatibility data on GitHubwebextensions-desktop | webextensions-mobile | |||||
---|---|---|---|---|---|---|
ImageDetails | ChromeFull supportYes | EdgeFull support14 | FirefoxFull support45 | OperaFull supportYes | SafariFull support14 | Firefox for AndroidFull support48 |
ImageDetails.rect | ChromeNo supportNo | EdgeNo supportNo | FirefoxFull support82 | OperaNo supportNo | SafariNo supportNo | Firefox for AndroidFull support82 |
ImageDetails.scale | ChromeNo supportNo | EdgeNo supportNo | FirefoxFull support82 | OperaNo supportNo | SafariNo supportNo | Firefox for AndroidFull support82 |
ImageFormat | ChromePartial supportPartial
| EdgePartial support14
| FirefoxFull support45 | OperaPartial supportPartial
| SafariPartial supportPartial
| Firefox for AndroidFull support48 |
RunAt | ChromePartial support20
| EdgePartial support79
| FirefoxFull support45 | OperaPartial support15
| SafariPartial supportPartial
| Firefox for AndroidFull support48 |
CSSOrigin | ChromeNo supportNo | EdgeNo supportNo | FirefoxFull support53 | OperaNo supportNo | SafariNo supportNo | Firefox for AndroidFull support53 |
Legend
- Full support
- Full support
- Partial support
- Partial support
- No support
- No support
- See implementation notes.
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Acknowledgements
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.