class User{

    constructor(email_,name_){
        this.name=name_;
        this.email=email_;
    }

    login(){
        console.log(this.email+" has login");
    }
}


function Admin  (...args){

    User.apply(this,args);

}

var user1=new User("akrem","akrem@gmx.us");
var user2=new User("Luis","Luism@gmx.us");
var user3=new User("Karim","Karim@gmx.us");
var user4=new User("Yassine","assine@gmx.us");


var admin1=new Admin("Alex","alex@gmx.us");

console.group(admin1); //this gives error