在 jQuery 延迟对象中设置依赖关系的简写是什么？
jQuery 延迟对象是否有任何设置依赖关系的简写，即“当我完成时，那件事也完成了？”下面的内容感觉很麻烦：
a = new jQuery.Deferred();
b = new jQuery.Deferred();
a.done(function(result){alert(result);});
b.done(function(result){a.resolve(result);}); // this line doesn't feel right
b.resolve("Hey there!")
我喜欢像 b.alsoResolves(a) 这样的东西。我查看了 文档，但似乎找不到任何合适的内容。有没有比上面更好的方法来创建延迟对象之间的依赖关系？
Do jQuery deferred objects have any shorthand to set up dependencies, i.e. "when I'm done, that thing is done as well?" The below feels cumbersome:
a = new jQuery.Deferred();
b = new jQuery.Deferred();
a.done(function(result){alert(result);});
b.done(function(result){a.resolve(result);}); // this line doesn't feel right
b.resolve("Hey there!")
I'd love something like b.alsoResolves(a). I've looked at the documentation, but can't seem to find anything appropriate. Is there any better way to created dependencies between deferred objects than the one above?
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由于我们现在能够按顺序注册多个回调，我个人发现以这种方式设置依赖关系更干净：
http://jsfiddle.net/rkw79/cdkG3/
Since we are able to register multiple callbacks sequentially now, I personally find it cleaner to set dependencies this way:
http://jsfiddle.net/rkw79/cdkG3/