[分享] JavaScript for backend - Webconf 2013

Webconf 2013 兩天的活動，順利落幕，這次感謝龍哥、PCT 的邀請。

這次的分享以 { 重新認識 JavaScript } 為出發點，讓有興趣的朋友能夠初步的認識，JavaScript 這個語言除了對於瀏覽器以外，後端語言所帶來的衝擊。

歡迎大家多多指教，如有口誤歡迎指正，以下是投影片，和整個 slide 的準備稿。

如果對於 Node.js 有興趣的朋友，歡迎加入討論，

• Node.js Taiwan
• Node.js Taiwan 共筆書籍
• Node.js Taiwan Facebook group

JavaScript for backend from Caesar Chi

JavaScript for backend - WebConf 2013

• who is designer, raise ur hand.
• who is developer, raise ur hand.
• who is marketing.

ASK 3 question to audience, raise ur hand and response with my question. all the ppl follow me.

1. Do u write Javascript in both side(frontend and backend)
2. know node.js?
3. write some node.js or installed node.js before?

Start the slide share

• Node.js we could not tell detail
• Node.js is JavaScript
• Node.js is JavaScript for backend. (found a back door image)
• So let's talk about JavaScript for backend.

(3mins)

• who am I
  • Node.js TW
  • Node.js book
  • Node.js Taiwan Party
  • welcome join us.

(2mins)

• Most of us known JavaScript is
  • jQuery,
  • YUI
  • Prototype
• JS library, not JavaScript.

(2mins)

• Check your JavaScript from where.
  • console.log(typeof top);
  • window -> browser
  • undefined -> Node.js

(1mins)

• Backend JavaScript a different parts.

(1mins)

• CommonJS defination (include NPM describe)
  
  • require
    • JavaScript src is not a problem.(example, front and backend)
  • module
    • variable scope issue is easy.(example, front and bakend)
• alos NPM is rock
  
  • NPM is dependency management.
  • module build is easy, but maintain is hard.
  • npm hava over 80000 modules.

(7mins)
Art of JavaScript

• normal JS, and u should know.
  • variable,
  • function,
  • Array,
  • Object,
  • What is this,
  • Timer,
  • closure.

(3mins)

• Asyn is an Art.
  • normal style. (X)
  • js is different part.
• JSON is Rock tool for JS.
  • {} is cool.
• Node.js help u build some good tools.
  
  • process control
  • util, inhert, log, pump
  • http, https
  • file system, stream
  • crypto, event
  • assert (for test)
  • also module
• if node.js is ruby, then npm is gem.
  
  • express is Sinatra
  • stylus + nib is compass
• also Node.js can build a high concurrency server.
• so we could make JavaScript do a lot of thing in backend.
  • JavaScript is good in Backend.
  • The Awesome part is, no limitation of cross domain.
• for example, request ('http://teste.com')
  • Yes, it could be a proxy server.
• for example, build a server is easy.
  • static cache files server, u can build ur own.
• help u build a restful server
  • JSON is rock
  • WebDAV method, GET, POST, PUT, DELETE

(5 - 7 mins)

• restful is easy for u, if u use JavaScript.
• JavaScript build a HTML5 game server.
• JavaScript build realtime server.
• JavaScript is good in Backend.
• php, DNODE
• ruby, FAYE
• Java, Node.js for front end parts

(5 mins)

• Gap is low
• do some is fun/(callback, call, this is fun)
• conclusion
  
  • JavaScript can help u nife,
  • JavaScript can help u do something u can not finished i backend.
  • Enjoy Javascript - JSDC 2013 & js, html5, node

(3 mins)

• Q&A

PS.

感謝在 Node.js 社群中的所有夥伴，提供了寶貴的資料與經驗，感謝所有參與者，感謝所有協助的人。