01 - Drum Kit 02 - clock 03 - css vars + js 04 - array cardio (only JS) 05 - flex image gallery 06 - ajax type ahead 07 - array cardio 2 (only JS) 08 - fun with html5 canvas 09 - dev tools tricks (only JS) 10 - Hold Shift to Check Multiple Checkboxes 11 - custom HTML5 video player 12 - key sequence detection (KONAMI code) 13 - long scrolling Obj and arrays - Reference vs Copy (only JS)