You can use several Navigator related properties in your web page. The following are the properties −
| Sr.No | Properties & Description |
|---|---|
| 1 | javaEnabled() This method determines if JavaScript is enabled in the client. If JavaScript is enabled, this method returns true; otherwise, it returns false. |
| 2 | plugings.refresh This method makes newly installed plug-ins available and populates the plugins array with all new plug-in names. Netscape only. |
| 3 | preference(name,value) This method allows a signed script to get and set some Netscape preferences. If the second parameter is omitted, this method will return the value of the specified preference; otherwise, it sets the value. Netscape only. |
| 4 | taintEnabled() This method returns true if data tainting is enabled; false otherwise. |