SP.ContentType.id Property
Applies to: SharePoint Foundation 2010
Gets a value that specifies an identifier for the content type. The ContentTypeId type is the identifier for the specified content type. The identifier is a string composed of hexadecimal characters. The identifier must be unique relative to the current site collection and site, and must follow the pattern of prefixing a ContentTypeId with its parent ContentTypeId.
var value = SP.ContentType.get_id();
Property Value
Type: SP.ContentTypeId