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问题描述
仅仅通过看到我现在已经写了，我可以看到，一个是小很多，所以在的 选项2 是更好的选择，但至于它是清洁，我preFER 选项1 。我真的爱社会的投入这一点。
忘了处理，例如错误，问自己为什么成功回调不会被调用。在另一方面，与承诺然后 -chaining是基于错误回调的可选性，它们传播到一个新的水平 - 当然，它仍然需要有钓到
Just by seeing what I've wrote now, I can see that one is much smaller, so in terms of code golf Option 2 is the better bet, but as far as which is cleaner, I prefer Option 1. I would really love the community's input on this.
forget about error handling for example, asking themselves why the success callback doesn't get invoked. On the other hand, promises with then-chaining are based on the optionality of error callbacks, propagating them to the next level - of course it still needs to be catched there.
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