CodeWars profile:
https://www.codewars.com/users/lukasz-zak

http://frontenddevs.blogspot.com

still learning...

Actually increasing skills in JavaScript

Successes on Stack Overflow:

May 19, 2013 - May 23, 2013 - top 3% this week
May 2013 - top 4% this month
1st June 2013 - First 1k point of reputation