JS Closure Beginner Example

js_closure_begginner.js

var MyApp = MyApp || {};

(function(app) {
    var count = 0;

    app.add = add;
    app.getCount = getCount;

    function add() {
        count++;
    }

    function getCount() {
        console.log(count);
    }
})(MyApp);

MyApp.echoCount = function() {
    console.log(count);
}