Re: [whatwg/xhr] what is the problem (#70)

<over-simplified explanation>JS runs in the UI thread, and network requests can take a long time to finish. So you're blocking the UI thread, and most interactions the user makes with the site will not be responsive. If the network request takes a long time, this produces a terrible user experience, for no good reason.

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Received on Wednesday, 18 May 2016 13:12:54 UTC