revealing-module-pattern-example.js

/*global _, jQuery */

var APP  = APP || {};

//just for testing
APP.dependencyOne = true;
APP.dependencyTwo = true;

APP.player = (function player(dependencyOne, dependencyTwo) {
    "use strict";

   function make (args) {
        args = args || {};

        var state = {
            team: args.team || "",
            name: args.name || "",
        };

        function getName () {
            return state.name;
        };

        function getTeam () {
            return state.team;
        };
	
        return {
            getName: getName,
            getTeam: getTeam
        };
    };

    return {
        make: make
    };

}(APP.dependencyOne, APP.dependencyTwo)); //this is for dependencies to the module, not instance args

//----------

var p1 = APP.player.make({name: "Player 1", team: "Red Team"}); //instance args go here

console.log(p1.getName());

Id probably write these a bit differently in es6, but we've used this pattern for a long time.