On Sun, Jul 10, 2011 at 7:09 AM, Dmitry A. Soshnikov <dmitry.soshni...@gmail.com> wrote: >> If I hadn't made map skip holes, then the fill pattern would be simple >> enough: >> >> Array(4).map(function (_,x) x * x); >> > > It's in particular case, you try to multiply indices, which in current > implementation of `map` anyway gives unfortunately nothing.
Yes, as I said it *would* work if map had been specified not to skip holes: js> [undefined,undefined,undefined,undefined].map(function(_,x)x*x) [0, 1, 4, 9] Is that not what you want? Mike _______________________________________________ es-discuss mailing list es-discuss@mozilla.org https://mail.mozilla.org/listinfo/es-discuss