gistfile1.js

YUI().use('node', function(Y) {
    YUI.namespace("Test");

    YUI.Test = function() {
        var shared = 1;
        
        function increase() {
            shared++;
        }
        
        function output() {
            Y.get('#users h1').set('innerHTML', shared);
        }
        
        return {
            shared : shared,
            increase : increase,
            out : output
        }
    }();
});