/Library/Ruby/Gems/1.8/gems/closure-compiler-1.0.0/lib/closure/compiler.rb:42:in `compress': stdin:17494InternetExplorer has a non-standard intepretation of trailingcommas.(<em
//The wrappedListener has a closure on self and therefore on item.elem.but since I am removing the event handler, I don't think this}
注意:addEvent和removeEvent只是抽象出InternetExplorer和其他浏览器之间的attachEvent