JS private methods through closures.

gistfile1.txt

function PrivateThing() {
	var privateVar1 = 0;
        var privateVar2 = 0;

	function privateFunction() {
		alert('i am in a closure private var one ='+privateVar1.toString());
                privateVar1++;
	}
	function privateFunctionTwo() {
		alert('nothing outside the object created by this function can reach me. private var two ='+privateVar2.toString());
                privateVar2++;
	}
	
	this.publicFunction = function() {
		privateFunction();
		privateFunctionTwo();
		alert('everything can reach me...vars = '+privateVar1.toString()+' '+privateVar2.toString());
	};

	this.publicProperty = 'i am public property';
}

var object = new PrivateThing();
object.publicFunction();