Javascript30-wesbos-training

This is my take of the 30 Day Vanilla JS Challenge developed by WesBos.
The original is here

1. DrumRoll: basic controls, key highlighting, playing sounds, animations, transitions, adding and removing classes, events listeners. 20 min session packed with info. Fun to build this first one.
2. Analogic Clock: transitions, calling a function at set interval, multiple children of a class,…