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Discussion on: What To Expect When You're Expecting To Drop IE11 πŸ—‘οΈ

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Sam Thorogood Author

You're not wrong, and the extra step is a bit misunderstood, although important if you want to stream large binary files (I used it in this PWA demo to show a %β€”blink and you'll miss it).

I have a few unrelated thoughts:

  • await makes the flow much nicer than Chris' examples
  • I'm also surprised neither link uses onload, instead using the more confusing onreadystatechange (and this is actually a vote for XHRs).
  • the lack of support for responseType = 'json' in IE11 actually makes XHRs more confusing, since you just can't safely use that parameter and you have to add a JSON.parse call too