Hey Roelof, I don’t see you returning the results of your map anywhere. I would expect to see this:
return messages.map( … Best, Scott > On Jan 20, 2015, at 8:06 AM, Roelof Wobben <[email protected]> wrote: > > Hello, > > I try to learn functional javascript by following the functonial workshop of > nodeschool. > > Now I have to filter out all the messages which lenght are shorter then 50. > > So I thought this would work : > > ~~~ > > module.exports = function getShortMessages(messages) { > > function small_message(item) > > { return item.length < 50 ; } > > > > messages.map(function(message) > > { return small_message(message) }) } > > but when I test it I see a empty array as answer > > Can someone explain where my thinking took the wrong path ? > > Roelof > > > > > -- > Job board: http://jobs.nodejs.org/ <http://jobs.nodejs.org/> > New group rules: > https://gist.github.com/othiym23/9886289#file-moderation-policy-md > <https://gist.github.com/othiym23/9886289#file-moderation-policy-md> > Old group rules: > https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines > <https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines> > --- > You received this message because you are subscribed to the Google Groups > "nodejs" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected] > <mailto:[email protected]>. > To post to this group, send email to [email protected] > <mailto:[email protected]>. > To view this discussion on the web visit > https://groups.google.com/d/msgid/nodejs/2bb9460e-96ef-4160-98e5-afe713f6ea96%40googlegroups.com > > <https://groups.google.com/d/msgid/nodejs/2bb9460e-96ef-4160-98e5-afe713f6ea96%40googlegroups.com?utm_medium=email&utm_source=footer>. > For more options, visit https://groups.google.com/d/optout > <https://groups.google.com/d/optout>. -- Job board: http://jobs.nodejs.org/ New group rules: https://gist.github.com/othiym23/9886289#file-moderation-policy-md Old group rules: https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines --- You received this message because you are subscribed to the Google Groups "nodejs" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/nodejs/9B5E9C79-2121-43EA-81EA-E92DAA8D52A5%40apigee.com. For more options, visit https://groups.google.com/d/optout.
