qingyun_liuzuoyun/mod-package/man.js

my

var Person = require('./person');
// Person = new Person.Person();
function Man(name,age,sex) {
    Person.Person.apply(this,arguments);
    this.sex =sex;
}

Man.prototype = new Person.Person();
Man.prototype.constructor = Man;
Man.prototype.do = function () {
    console.log("ssssss"+this.sex)
}

var man1 = new Man('cat',12,'nan');

man1.do();