Simple Closure example: https://jsbin.com/tihohi/edit?js,console

simple-closure-example.js

var Person = (name, nickname) => {
  return {
    getFullName: () => name + ' (' + nickname + ')',
    getName: () => 'Your name is: ' + name,
    getNickname: () => 'People call you: ' + nickname,
  };
};

var me = Person("Jose", "El Jefe");

console.log(me.getFullName());
console.log(me.getName());
console.log(me.getNickname());