Aspirant developers are told they have to learn HAML, LESS, CoffeeScript, React and whatever else fly-by-night bullshit Hacker News is spruiking. Honestly, I don’t care. I’ve tuned out at this point, and I’m not alone.
Which is why I love Glitch, from Fog Creek. We’ve written about this site before. Essentially, it’s a playground where you can remix other people’s code in a safe and self-contained environment.