标签：
http://blog.bigbinary.com/2011/08/18/understanding-bind-and-bindall-in-backbone.html
http://wenzhixin.net.cn/2013/11/01/understanding_bind_bindall
http://chaoskeh.com/blog/use-underscore-bindall-carefully.html
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原文地址：http://my.oschina.net/uniquejava/blog/492499
