Examine source code of Continue To Visit

{
  "name": "Continue To Visit",
  "version": "1.0.3",
  "manifest_version": 2,
  "description": "常用网址访问外链时，跳过提示页继续访问！",
  "content_scripts": [
    {
      "js": [
        "src/app.js"
      ],
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "run_at": "document_start"
    }
  ],
  "permissions": [
    "storage"
  ]
}