sex property represents the actual sex of the contact.
var sex = instanceOfMozContact.sex
Return a string.
This feature is not on a current W3C standards track, but it is supported on the Firefox OS platform. Although implementations may change in the future and it is not supported widely across browsers, it is suitable for use in code dedicated to Firefox OS apps.
familyName property is a list of all the possible family names usable for the contact.
var names = instanceOfMozContact.familyName
Return an Array of strings.
|Contacts Manager API
The definition of 'Contact.gender' in that specification.
|Working Draft||First Working Draft (unstable)|
|vCard Format Specification
The definition of 'Contact.GENDER' in that specification.
|IETF RFC||RFC 6350|
|Feature||Chrome||Firefox (Gecko)||Internet Explorer||Opera||Safari|
|basic support||No support||No support||No support||No support||No support|
|Feature||Android||Chrome for Android||Firefox Mobile (Gecko)||IE Mobile||Opera Mobile||Safari Mobile|
|basic support||No support||No support||18.0 (18.0)||No support||No support||No support|
 As the specification is unstable, the Gecko implementation is completely non-standard.