javascript设计模式之观察者模式

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http://www.cnblogs.com/TomXu/archive/2012/03/02/2355128.html

http://blog.csdn.net/thc1987/article/details/7623937

http://bbs.csdn.net/topics/390078524

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http://www.cnblogs.com/aaronjs/p/3581904.html