No-Library (pure JS), HTML, CSS, JavaScript
https://edabit.com/challenge/8dDWzSehDjwE9TcHQ
https://edabit.com/challenge/uqwmC7RJF98xr3TiD
https://edabit.com/challenge/gdmrXxEej2fPZtF4S
https://www.codewars.com/kata/ten-pin-bowling/train/javascript
No-Library (pure JS), HTML, CSS, React
http://www.tothenew.com/blog/javascript-splice-vs-slice/
https://edabit.com/challenge/HmXdhA9WA9uLnsuiB
https://edabit.com/challenge/JhQ8qCptpTbZMvnRz