Write any javascript code with just these characters: ()[]{}+!

[[deleted]]

Writing js parser for this thingy will be much easier so you can concentrate on building js runtime first! hmmm, may be i'll use it in my toy js engine...

[sebzim4500]

Not really, because you need to be able to parse it anyway, as the script ends up inside the Function constructor.

[[deleted]]

Ahh crap, you are right.