Nodejs and json

http://cnodejs.org/topic/51bbe16960af11cd33304b75

http://www.cnblogs.com/nano/archive/2012/05/09/2491895.html

http://www.cnblogs.com/imlucky/archive/2012/11/06/2757432.html

http://www.infoq.com/cn/articles/nodejs-module-mechanism

http://www.sitepoint.com/nodejs-events-and-eventemitter/

 http://www.cnblogs.com/lengyuhong/archive/2012/01/07/2262390.html

http://limu.iteye.com/blog/1013223

http://www.infoq.com/cn/articles/what-is-nodejs