Examine source code of Scroll To Top

{
  "manifest_version": 2,
  "name": "Scroll To Top",
  "version": "5.3.1",
  "description": "Scroll to top and vice versa in a window.",
  "icons": {
    "128": "icons/pratikabu-stt-single-1.png"
  },
  "author": "Pratik Soni",
  "browser_specific_settings": {
    "gecko": {
      "id": "jid0-gRmSxW9ByuHwGjLhtXJg27YnZRs@jetpack",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "css": [
        "pratikabu-stt.css"
      ],
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "thirdparty/jquery-4.0.0.min.js",
        "pratikabu-stt.js"
      ]
    }
  ],
  "permissions": [
    "storage",
    "activeTab",
    "contextMenus"
  ],
  "homepage_url": "https://github.com/pratikabu/scrolltotop",
  "options_ui": {
    "page": "options/options.html",
    "open_in_tab": true
  },
  "web_accessible_resources": [
    "icons/*.png",
    "icons/*.svg"
  ],
  "browser_action": {}
}