                dependencies: [
                        {
                          src: 'https://cdnjs.cloudflare.com/ajax/libs/reveal.js/3.6.0/lib/js/classList.js',
                          condition: function () {
                            return !document.body.classList;
                          }
                        },
                        {
                          src: 'https://cdnjs.cloudflare.com/ajax/libs/reveal.js/3.6.0/plugin/markdown/marked.js',
                          condition: 