Suggestions for http://stackoverflow.com/questions/25495044/private-functions-similar-to-java-using-literals

Example 1

function createBackground() {
}

var StartScreenLayer = cc.Layer.extend({
    ctor: function () {
        this._super();
        // this function can call createBackground!
        createBackground.call(this);
    },
    callCreateBackgroundToo: function () {
       // I can call createBackground too!
       createBackground.call(this);
    }
});

Example 2

var StartScreenLayer = cc.Layer.extend((function(){
    function createBackground() {
    }
    
    return {
        ctor: function () {
            this._super();
            // this function can call createBackground!
            createBackground.call(this);
        },
        callCreateBackgroundToo: function () {
            // I can call createBackground too!
            createBackground.call(this);
        }
    };
})());