#!/usr/local/bin/node
var inherits = function(childCtor, parentCtor) {
  Object.setPrototypeOf(childCtor.prototype, parentCtor.prototype);
};

var Parent = function(arg) {
  // Parent のコンストラクタ実装
};

var Parent.prototype.method0 = function() {
  console.log('Parent.method0');
};

var Child = function(arg) {
  // Child のコンストラクタの実装
};

inherits(Child, Parent);

Child.prototype.method1 = function() {
  console.log('Child.method1');
};

var child = new Child();
child.method0();
child.method1();