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 GitHub
desktopmobile
Chrome
Edge
Firefox
Opera
Safari
Firefox for Android
Safari on iOS
extensionTypes
CSSOrigin
ImageDetails
ImageDetails.rect
ImageDetails.scale
ImageFormat
RunAt

Legend

Tip: you can click/tap on a cell for more information.

Full support
Full support
Partial support
Partial support
No support
No support

Note: This API is based on Chromium's chrome.extensionTypes API. This documentation is derived from extension_types.json in the Chromium code.