Class 1 - Variables, Strings and Functions Class 2 - Loops and Arrays Class 3 - Objects and Classes Class 4 - The Document Object Model (DOM) Class 5 - JSON and Events Class 6 - jQuery Class 7 - Callbacks and More jQuery Class 8 - Promises Class 9 - AJAX Class 10 - Cookies and Web Storage Class 11 - NodeJS Class 12 - React State Class 13 - React Forms Class 14 - AXIOS Class 15 - Express Sessions Class 16 - Passport Authentication Class 17 - Express Authorization Class 18 - Client Side Routing