Chrome Zugriff auf Tab

//background.js

chrome.tabs.query({active: true, currentWindow: true}, function(tabs) {
  var tab = tabs[0];
  if (tab && tab.status === "complete") {
    var html = tab.contentDocument.documentElement.outerHTML;
    console.log(html);

    var tabURL = tabs[0].url;
    console.log(tabURL);
  }
});


//manifest.json

{
  "manifest_version": 3,
  "name": "HTML Reader",
  "version": "1.0",
  "description": "Test",
  "version": "1.0",
  "permissions": ["activeTab", "tabs"],

  "action": {
    "default_popup": "popup.html",
    "default_icon": "icon.png"
  },

  "icons": {
    "48": "icon.png"
  },

  "content_scripts": [
    {
        "matches": ["https://google.com/*"],
        "js": ["background.js"]
    }
]
}