6-1. CLASS

CLASS

function Person(name, age){
    this._name = name;
    this._age = age;
}
// static method
Person.getInformations = function(instance){
    return{
        name: instance._name,
        age: instance._age
    };
}
// (prototype) method
Person.prototype.getName = function(){
    return this._name;
}
// (prototype) method
Person.prototype.getAge = function(){
    return this._age;
}

var injae = new Person('InJaEE', 20);

console.log(injae.getName()); // OK
console.log(injae.getAge()); // OK

console.log(injae.getInformations(injae)) // ERROR
console.log(Person.getInformations(injae)); // OK