> But they're not fully interchangeable, No, they aren’t.
> for example I can exit a function at any point with a return, but can I exit > a block at any point with a break or something? You can give the block a label, say, `foo` and then exit via `break foo`. > Also a function returns a value, does a block evaluate to something? No it doesn’t. David Herman proposed a “do expression” that would be able to do so: http://wiki.ecmascript.org/doku.php?id=strawman:do_expressions -- Dr. Axel Rauschmayer a...@rauschma.de home: rauschma.de twitter: twitter.com/rauschma blog: 2ality.com
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