> >> Define function add such that>
> >>      add(3)(4)
> >> returns 7.

> > javascript:alert((function add (p) { var a=p; return function (p)
> > { return a+p } })(3)(4))

> You don't need to create an extra variable.

> function add (first) {
>     return function (second) {
>         return first + second;
>     }

> }

> But hey!
> Don't spoil the fun for the OP by posting the solution!

> @Douglas:
> I'd also appreciate more puzzles if you know any. This kind of (simple
> but interesting) problem is a godsend when you're teaching kids.

> The only thing I've seen recently that comes close to a puzzle is this
> website:

>  http://parentnode.org/static/challange2.html

> You need to enter the correct password, that's all. No rewards :-) It's
> not pretty, rather the opposite, but if you like obfuscation, it might
> be interesting. Syntax highlighting helps.

>   - Conrad