Backbone.js 1.2.1 发布，JavaScript 的 MVC 框架

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　　Backbone.js 1.2.1 发布，此版本更新内容如下：
　　

• 　　Collection#add now avoids trying to parse a model instance when passing parse: true.
  
• 　　Bug fix in Collection#remove.
  
• 　　Model#fetch no longer parses the response when passing patch: false.
  
• 　　Bug fix for iframe-based History when used with JSDOM.
  
• 　　Bug fix where Collection#invoke was not taking additional arguments.
  
• 　　When using on with an event map, you can now pass the context as the second argument.  This was previously an undocumented behavior from 1.1.2 removedin 1.2.0.
  

　　此版本现已提供下载：https://github.com/jashkenas/backbone/archive/1.2.1.zip。
　　Backbone.js 是一种重量级javascript  MVC 应用框架,通过Models进行key-value绑定及custom事件处理,通过Collections提供一套丰富的API用于枚举功能,通过Views来进行事件处理及与现有的Application通过RESTful JSON接口进行交互.
　　比较适合于现在的类Twitter web2.0网站的开发!