Sorting array just dont work

var test = [{"name": "a", "adress": "b"}, {"name": "b", "adress": "a"}];
var adressSort = [[CPSortDescriptor alloc] initWithKey:@"adress" ascending:NO];
var descriptors = [CPArray arrayWithObject:adressSort];

console.log([test sortUsingDescriptors:descriptors]);

// Produces an error:
// TypeError: Result of expression 'aReceiver.isa' [undefined] is not an object.