function MemberFactory(){
  this.createMember = function(name, type) {
    let member;


    if(type === "simple"){
      member = new SimpleMembership(name)
    }
    if(type === "standard"){
      member = new StandardMembership(name)
    }
    if(type === "super"){
      member = new SuperMembership(name)
    }

    member.type = type;

    member.define = function(){
      console.log(`${this.name} (${this.type}): ${this.cost}`)
    }

    return member

  }
}

constr SimpleMembership = function(name){
  this.name = name;
  this.cost = `$5`;
}

const StandardMembership = function(name){
  this.name = name;
  this.cost = `$15`
}

const SuperMembership = function(name){
  this.name = name;
  this.cost = `$25`;
}

const members = [];
const factory = new MemberFactory();

members.push(factory.createMember(`John Doe`, `simple`));
members.push(factory.createMember(`Bob John`, `standard`));
members.push(factory.createMember(`Israel Love`, `super`));

//this below uses a function which will console.log name-type, u can also console.log member
members.forEach(function(members){
  members.define()
})