On 2013-09-17, at 11:09 AM, Steve Graham <jsgrahamus@yahoo.com> wrote:

> Marc,
>
>    Thanks for the example.
>
>    When I ran it, I got the following:
>
> steve@steve-Satellite-L555D ~ $ js fib.js
> js: uncaught JavaScript runtime exception: TypeError: Cannot find function real-time-milliseconds in object [object Object].
>
> I'm running Gambit 4.6.7 on a 64-bit Linux Mint 14.

The JS backend is in constant evolution (and is currently incomplete).  You need to try with the latest Gambit version.

Marc