Some common types used in other WebExtension APIs.
Types
extensionTypes.ImageFormat- The format of an image.
extensionTypes.ImageDetails- Details about the format and quality of an image.
extensionTypes.RunAt- The soonest that the JavaScript or CSS will be injected into the tab.
Browser compatibility
| Chrome | Edge | Firefox | Firefox for Android | Opera | |
|---|---|---|---|---|---|
ImageDetails | Yes | Yes | 45 | 48 | Yes |
ImageFormat | Yes | Yes | 45 | 48 | Yes |
RunAt | 20 | No | 45 | 48 | 15 |
The "Chrome incompatibilities" section is included from https://developer.mozilla.org/en-US/Add-ons/WebExtensions/Chrome_incompatibilities using the WebExtChromeCompat macro.
If you need to update this content, edit https://developer.mozilla.org/en-US/Add-ons/WebExtensions/Chrome_incompatibilities, then shift-refresh this page to see your changes.
Chrome incompatibilities
None.
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.
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