Cursos de Javascript
Patrones de diseño https://addyosmani.com/resources/essentialjsdesignpatterns/book/#modulepatternjavascript
Tutorial de JSON http://www.etnassoft.com/2010/12/30/tutorial-json/
Uso de Eval http://www.etnassoft.com/2010/12/30/tutorial-json/
Strict mode Javascript http://www.etnassoft.com/2011/03/01/strict-mode-en-javascript/
Funciones autoejecutables en Javascript http://www.etnassoft.com/2011/03/14/funciones-autoejecutables-en-javascript/
Let, la nueva forma de declarar variables en Javascript http://www.etnassoft.com/2014/06/10/let-la-nueva-forma-de-declarar-variables-en-javascript/
FREE JavaScript ES2016 / ES2017 / ES2018 Cheatsheet https://www.inspiredwebdev.com/2018/06/javascript-es2016-es2017-es2018-cheatsheet/
Modern JavaScript Part 1: Var vs Let vs Const & the temporal dead zone https://www.inspiredwebdev.com/2018/05/modern-javascript-var-vs-let-vs-const-the-temporal-dead-zone/