just a small add to the topic, node.js is not written in javascript.. it allows you to write your stuff, using javascript.
http://en.wikipedia.org/wiki/Nodejs actually its very compatible with coffee script which is, in my opinion, way more fun than javascript ( : http://coffeescript.org/ On 5 April 2013 19:01, Peter <[email protected]> wrote: > Thanks for replying, Frederick. So help me understand this: > javascript-runtime is actually the javascript interpreter. Right? But what > is odd is when I install node-js this solves my problem. And I thought > node-js *was* written in javascript. Therefore, it itself requires an > interpreter. Did I get this wrong? So how does installing node-js, a > javascript script, solve the problem of not having a javascript interpreter > to begin with? > > Thanks again. > > On Thursday, April 4, 2013 5:39:43 AM UTC-7, Frederick Cheung wrote: >> >> >> >> On Thursday, April 4, 2013 1:14:01 PM UTC+1, Peter wrote: >>> >>> Hello Everyone, >>> >>> Can anyone please describe the relationship of javascript-runtime to >>> Ruby on Rails? In Mac OSX, I do not get this error, but in Linux for every >>> new project generated by "rails new", I get: >>> >>>> play$ rails s >>>> >>>> //.rvm/gems/ruby-2.0.0-p0/**gems/execjs-1.4.0/lib/execjs/**runtimes.rb:51:in >>>>> `autodetect': Could not find a JavaScript runtime. See >>>>> https://github.com/**sstephenson/execjs<https://github.com/sstephenson/execjs>for >>>>> a list of available runtimes. >>>> >>>> >>> I know the solution; either install therubyracer or nodejs gems. But I >>> am not sure I understand fully *why* it works. If I install this in a >>> production environment server, I do not need either one of these. And my >>> browser definitely interprets javascript built in. So how does this fit in >>> to everything? Is my premise incorrect? Thank you. >>> >> >> There are asset pipeline dependencies here: for example uglifyjs (for >> minifying javascript) and coffeescript are both written in javascript. Both >> of these two things happen serverside (almost: you can compile the assets >> somewhere other than your deployment machines, and copy the finished >> product either to the deployment machines or to the CDN of your choice) >> >> Fred >> > -- > You received this message because you are subscribed to the Google Groups > "Ruby on Rails: Talk" 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/msg/rubyonrails-talk/-/MhmcXGWzJDQJ. > For more options, visit https://groups.google.com/groups/opt_out. > > > -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" 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]. For more options, visit https://groups.google.com/groups/opt_out.
