google chrome - How to inject content script inside an html page which runs within an extension -


i have created chrome extension contains 2 html pages background.html , helper.html.

i trying inject code helper.html runs of course inside extension. helper.html runs popup window created chrome.windows.create(object createdata, function callback). however, far unable so. documentation understand content script rule should 

   "content_scripts": [         {           "matches": ["chrome-extension://*/*"],           "js": ["jquery.js","myscript.js"],            "css": ["style.css"],           "run_at": "document_end"         }

but fails.

note when use localhost instead, example 

"content_scripts": [     {       "matches": ["http://localhost/"],       "js": ["jquery.js","myscript.js"],       "css": ["style.css"],       "run_at": "document_end"     }

it works. localhost runs exact same code somehow extension refuses recognize file trying match ( "matches": ["chrome-extension://*/*"])

chrome extensions can't inject content scripts chrome extensions.

you'll want use message passing instead.


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