This type is a string, which represents a particular kind of resource fetched in a web request.
It's used to filter the requests you listen to using the webRequest API. For example: you can listen to requests only for images, or only for scripts.
Type
Values of this type are strings. Possible values are:
"main_frame""sub_frame""stylesheet""script""image""object""xmlhttprequest""xbl""xslt""ping""beacon""xml_dtd""font""media""websocket""csp_report""imageset""web_manifest""other"Browser compatibility
Acknowledgements
This API is based on Chromium's chrome.webRequest API. This documentation is derived from web_request.json in the Chromium code.
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