SOURCE

var Person = {
    name:'xiaoming',
    age:'12',
    run:function () {
        console.log(this.name + 'is flying');
    }
};

function createPerson() {
    var person = obj.create(Person);
    person.name = 'xiaohong';
    person.age = 13;
    return person;
}

var p = createPerson();
p.run();