I get it now. I wasn't aware of the recursive nature of the assignment. There's no mention of that in the MDN page. I've used it extensively, but not recursively as you demonstrated. (Upd: Sigh, I'm blind. Brainy not worky.)

uh? It can. Anyway, my post was confusing two concepts and I'm rewriting it (as a separate post). This will be evident there.

> uh? It can

Not in one statement, while diving into depth and grabbing values.

My demo implements this.

Cheers Rolf
_{(addicted to the Perl Programming Language :)
Wikisyntax for the Monastery}