For information on security, see the Client-Side JavaScript Guide . Saves the Navigator preferences to the local file prefs.js . Method of navigator Static Implemented in JavaScript 1.2 Security Saving user preferences requires the UniversalPreferencesWrite privilege. For information on security, see the Client-Side JavaScript Guide . This method immediately saves the current Navigator preferences to the user's prefs.js settings file.
Navigator also saves preferences automatically when it exits.
See also preference taintEnabled Specifies whether data tainting is enabled. JavaScript cannot pass tainted values on to any server without the end user's permission. Use taintEnabled to determine if data tainting is enabled. A string representing the value of the user-agent header sent in the HTTP protocol from client to server. Description Servers use the value sent in the user-agent header to identify the client.