js private memeber variable

privateVariable.js

//javascript private variable 
var counterCreater = function() {
    // constructor 
    function Counter () {
        var count = 0 ;  // private
        this.inc = function () {
            count++;
            console.log("inc:" + count);
        }
        this.get = function(){
            console.log("get:" + count);
            return this.count;
        }
        this.reset = function(){
            count = 0 ;
            console.log("reset:" + count);
        }
    }
    return new Counter() ;
}