// Create a new Person class
  var Person = Base.extend({
      // The constructor of the Person class
      constructor: function( name ) {
          this.name = name;
      },
  
      A simple method of the Person class
      getName: function() {
          return this.name;
      }
  });
  
  // Create a new  User class that inherits from the Person class
  var User = Person.extend({
      // Create the User class constructor
      constructor: function( name, password ) {
          // which, in turn calls the parent classes' constructor method
          this.base( name );
          this.password = password;
      },
  
      // Create another, simple, method for the User
      getPassword: function() {
          return this.password;
      }
  });