javascript - Where does (no domain) > extensions::name come from? -

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on sources tab in devtools, pages have (no domain) folder various extensions inside of them. source seems indicate chrome extensions, can't find information them. example, page listed many extensions including extensions::unload_event, extensions::messaging, extensions::event, extensions::last_error, etc.

what they? made them? chrome doing, or front-end developers responsible including? there documentation these particular extensions?

these extensions::[name] files part of extension platform's implementation, , bundled chrome. extension developers don't need know existence.

you can view source @ https://chromium.googlesource.com/chromium/src/+/master/extensions/renderer/resources.


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