Please, add the ability to save draft code for kata

Please, add the ability to save draft code for kata! =)

cheater ;-)

I would like to bookmarks.
from your mailing list i regularly receive interesting tasks that i would like to solve, but later

and I would like to have a mobile client with offlline-mode)

please, add js syntax validating (like this: http://esprima.org/demo/validate.html) and repl.
Now we have to use jsfiddle / devtools and esprima for rapid testing)

just describe the situation, what was expected and what was returned =)

Good! But test case messages uninformative..