t = current[parts[i]];

		}
	};
	MyApp.namespace('event');
	MyApp.namespace('dom.style');
	console.dir(MyApp);
	// 上述代码等价于：
	var MyApp = {
		event: {},
		dom: {
			style: {}
		}
	};

	var user = (function () {
		var __name = 'sven',
			__age = 29;
		return {
			getUserInfo: function () {
				return __name + '-' + __age;
			}
		}
	})();

	Singleton.getInstance = (function () {
		var instance = null;
		return function (name) {
			if (!instance) {
				instance = new