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Best Coding "playgrounds" for Ruby and JavaScript: Best Way to Learn!


#1

Many years ago, I used to rely on debuggers a lot. Nowadays, I rely much more on “fenced debug print statements” to quickly get the information I need.

Reviews such coding playgrounds

Ruby

  1. Pry console, with or without Rails
  2. RubyMine Scratch File

JavaScript

  1. Chrome Developer tools console (Cmd-Option-J)
  2. CodePen Babel support and great UI. The hit Cmd-Option-J to see console output.
  3. http://jsfiddle.net
  4. http://jsbin.com/?console,output

Any other favorite REPLs for Ruby and JavaScript?

Preconfigured CodePen for Lodash


Lodash Tips and Tricks
#2

Codepen is great, I use http://plnkr.co/ for JS stuff too.


#3

Thanks @treble37!

http://plnkr.co/