Navigator

{
  "cookieEnabled": "Required, boolean type, indicates whether the browser has enabled the Cookie feature",
  "language": "Required, string type, represents the preferred language of the browser",
  "languages": [
    "Required, array type containing strings, represents the list of languages supported by the browser, sorted by priority"
  ],
  "userAgent": "Required, string type, represents the user agent string of the browser, used to identify the browser and operating system"
}