CODE EXAMPLE FOR JAVASCRIPT

Källmappningsfel: Error: NetworkError when attempting to fetch resource. Resurs-URL: moz-extension://f820ec62-0644-495b-9cd6-fe7d01cdd955/browser-polyfill.js Källmappnings-URL: browser-polyfill.min.js.map

"permissions": ["storage", "activeTab", "declarativeContent","webRequest", "webRequestBlocking", "webNavigation"],