re undefined

[Martin Rinehart]

Undefined is very interesting, indeed. What does this result mean?

alert( foo.bar ); // reports 'undefined'

A while back I got bothered by not knowing what 'undefined' was, and did some research.

undefined Defined

Hope this helps.

[Joshua Clanton]

Thanks, Martin! That's good summary of undefined. :-)

[Miguel Angel Frias Bonfil]

Thanks!