The deleteField method deletes the sub field with the specified name.


deleteField( name [, case] ) 
deleteField( name , value [, case] ) 


Argument Description
name (string) The name of the sub field to delete.
value (string) The value of the sub field. If this is specified a field is deleted only if it has the specified name and value. If this is not specified, all fields with the specified name are deleted.
case (boolean) A boolean that specifies whether the name argument is case sensitive. The argument is case sensitive by default (true).