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Indeed, Rhino is such an important project but still it does not receive any attention.

It's unfortunate, but it's also the reason we wrote Narwhal, which now means we rarely need to use Rhino at all. A welcome change.

The killer feature of Rhino for me is the fact that it runs on the JVM, and customers are OK with me using JavaScript, whereas they're not OK with Clojure or so. Too bad the Java integration in Rhino isn't exactly great. (example: you can only use the 0-argument constructor when deriving from a class)

Erm, narwhal actually uses rhino as its default engine. Perhaps you meant to say that you can now target the narwhal API, instead of waiting for rhino to expand its API offerings?

No, I meant what I said. We use narwhal-jsc 95% of the time. Rhino is this unfortunate thing we keep around for compatibilities sake.

The flexibility of being able to switch engines as needed is also a major win in Narwhal. I suspect in the next year we'll end up moving everything to v8, which should prove to be extremely easy to do.

no prob, thanks to CommonJS it was extremely easy to switch from Narwhal to the RingoJS: www.ringojs.org

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