On: Introduction to Fetch() API

[pothibo]

I don't understand how Fetch API is an improvement over XMLHTTPRequest. To me, this looks like a syntax update but I don't see it being better or worse than the previous installment.

Now that I think about it, I couldn't find any API related to download/upload progress events with the Fetch API. If that's the case, it means it's an actual regression to XMLHTTPRequest.

[timeu → pothibo]

This article addresses the criticism of "merely syntax update"

http://jakearchibald.com/2015/thats-so-fetch/

[colinramsay → pothibo]

You can access the stream as it's coming in using fetch - would that let you do progress? Seems like it would.

[mreiland → colinramsay]

Only if fetch allows you to grab the http headers of the request, otherwise you have no way of identifying the size and at that point a simple circling gif is about the best you can do.