Node js Web Application examples tutorials

Question

So I finished watching Douglas Crockford s excellent series on Javascript  and in the final episode  so far   loopage he lays out why Node js is a near perfect solution for server side code     He talks about keeping state  not in the database  but in closures running in Node js  he also states that templating systems  like JSP  PHP  and ASP  are a poor abstraction for more complicated Web Applications and that node js provides a solution to this     And I am ready to buy in  but I can t find any examples of Web Applications using this pattern  or any books or tutorials about how to go about doing this   I am not talking about a simple application  but something that would use the patterns that Crockford spoke of in his talk   Anyone know where I can find some tutorials examples of Web Applications written in Node js  and yes I know about Geddy and ExpressJs  but they don t seem to follow the radically different patterns that Crockford was speaking of  and were more like getting a Railsy experience on Node js      Note from 3 years in the future   It seems like Express  Geddy  Sails  Kraken et all are re-implementations of the Rails Symfony Spring frameworks from Ruby PHP Java   Whereas things like Hoodie and Meteor are attempts at a whole new paradigm   KOA looks interesting  but is a ways away from being usable  but looks like it is building on the strengths of javascript with the history of MVC applications of the past   3 years on and it is still exciting times for Nodejs  even if it is no longer the new hotness   At least there are a lot of real world examples of Node in use now

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DailyJS has a good tutorial  long series of 24 posts  that walks you through all the aspects of building a notepad app  including all the possible extras    Heres an overview of the tutorial  http   dailyjs com 2010 11 01 node-tutorial   And heres a link to all the posts  http   dailyjs com tags html nodepad

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The Node Knockout competition wrapped up recently  and many of the submissions are available on github  The competition site doesn t appear to be working right now  but I m sure you could Google up a few entries to check out

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Update    Dav Glass from Yahoo has given a talk at YuiConf2010 in November which is now available in Video from   He shows to great extend how one can use YUI3 to render out widgets on the server side an make them work with GET requests when JS is disabled  or just make them work normally when it s active   He also shows examples of how to use server side DOM to apply style sheets before rendering and other cool stuff   The demos can be found on his GitHub Account   The part that s missing IMO to make this really awesome  is some kind of underlying storage of the widget state  So that one can visit the page without JavaScript and everything works as expected  then they turn JS on and now the widget have the same state as before but work without page reloading  then throw in some saving to the server   WebSockets to sync between multiple open browser     and the next generation of unobtrusive and gracefully degrading ARIA s is born   Original Answer    Well go ahead and built it yourself then   Seriously  90  of all WebApps out there work fine with a REST approach  of course you could do magical things like superior user tracking  tracking of downloads in real time  checking which parts of videos are being watched etc   One problem is scalability  as soon as you have more then 1 Node process  many  but not all  of the benefits of having the data stored between requests go away  so you have to make sure that clients always hit the same process  And even then  bigger things will yet again need a database layer   Node js isn t the solution to everything  I m sure people will build really great stuff in the future  but that needs some time  right now many are just porting stuff over to Node to get things going   What  IMHO  makes Node js so great  is the fact that it streamlines the Development process  you have to write less code  it works perfectly with JSON  you loose all that context switching   I mainly did gaming experiments so far  but I can for sure say that there will be many cool multi player  or even MMO  things in the future  that use both HTML5 and Node js   Node js is still gaining traction  it s not even near to the RoR Hype some years ago  just take a look at the Node js tag here on SO  hardly 4-5 questions a day    Rome  or RoR  wasn t built over night  and neither will Node js be   Node js has all the potential it needs  but people are still trying things out  so I d suggest you to join them

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I would suggest you check out the various tutorials that are coming out lately  My current fav is   http   nodetuts com   Hope this helps

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The closest thing is likely Dav Glass s experimental work using node js  express and YUI3  Basically  he explains how YUI3 is used to render markup on the server side  then sent to the client where binding to event and data occurs  The beauty is YUI3 is used as-is on both the client and the server  Makes a lot of sense  The one big issue is there is not yet a production ready server-side DOM library   screencast

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