MyTakeOnJavaScript30

Doing the exercices of JavaScript30 course (https://javascript30.com/):
Day 1: a JavaScript Street Piano (CSS piano from https://codepen.io/zastrow/pen/oDBki);
Day 2: CSS/JS clock (transition issue when hands hit 12 to be fixed);
Day 3: Added feature to my profile page to update color scheme with JS;
Day 4: Console exercises on arrays;