JS minimal class implementation

class.js

// from http://raganwald.com/2014/01/19/prototypes-are-not-classes.html
var MovieCharacterClass = {
  create: function create (firstName, lastName) {
    var mc = Object.create(MovieCharacterClass.prototype);
    mc.firstName = firstName;
    mc.lastName = lastName;
    return mc;
  },
  prototype: {
    fullName: function fullName () {
      return this.firstName + " " + this.lastName;
    }
  }
}