// This is the service worker script, which executes in its own context // when the extension is installed or refreshed (or when you access its console). // It would correspond to the background script in chrome extensions v2. console.log("This prints to the console of the service worker (background script)"); chrome.runtime.onMessage.addListener( function(request, sender, sendResponse) { if (request.msg === "sendMessage") { sendResponse({response: "Message received"}); } } );