Object JavaScript - problem with global var as namespace

ojs-problemwithvarasnamespace.js

var myApp= (function(){
 
    // Create a private variable
    var name = "Bruce";
 
    // Create a private function
    var greeting = function() {
        return "Hello " + name;
    };
 
    // Return an object that exposes our greeting function publicly
    return {
        greetings: greeting
    };
 
})();