developing a chrome extension just a beginner trying to console log a helloWorld string to a website but it's not working but my popup.html works here is my manifest.json:

{ "manifest_version": 3, "name": "My Chrome Extension", "version": "0.1.0", "description": "My first Chrome extension.", "action":{ "default_popup":"popup.html" }, "content_scripts": [ { "matches": ["<all_urls>"], "js": ["content.js"] } ] }