//standard pattern

var MyClass = function() {
    this.func1 = function() {
        //dostuff
    };
};
MyClass.prototype.func2 = function() {
    this.func1();
    //dostuff
};

//revealing class pattern

var MyClass = function() {
    function privateFunc() {
        //dostuff
    }

    function publicFunc() {
        privateFunc();
        //dostuff
    }

    this.publicFunc = publicFunc;
};