The web is endlessly transforming and front-end developers need to be on top of their game by adapting to this quick web evolution.
It sure takes time to get accustomed to the new stuff you can practice and work on, and striving to achieve the latest front-end programming trends could be quite a challenge.
Another good one for front-end development resources is GitHub. Check their page and see the complete list they’ve compiled.
Learning (or improving) programming language skills in 2013 might possibly not be finished until now, but this 2014, there are new programming languages that we should look closely on. As mentioned before, the web is pretty quick in its transformation.