gistfile1.js

var Person = function() {
  
  // one at a time
  this.key('fname', { default: 'John' });
  
  // many!
  this.keys({
    fname: { default: 'John' }
  });
}

Person.prototype.name = function() {
  return this.fname + ' ' + this.lname;
}

return asDocument(Person)