var foo = {

  run: function() {

    this.action1();

    this.action2();

  },

  action1: function() {

    console.log('action1 '+this.objName);

  },

  action2: function() {

    console.log('action2 '+this.objName);

  },

  objName: 'foo'

};

​

var bar = Object.create(foo);

bar.run = function() {

  this.first();

  foo.run.call(this);

  this.last();

};

bar.first = function() {

  console.log('first '+this.objName);

};

bar.last = function() {

  console.log('last '+this.objName);

};

bar.objName = 'bar';

​

foo.run();

bar.run();