Tips for using async functions (ES2017)

This blog post gives tips for using async functions. If you are unfamiliar with them, you can read chapter “Async functions” in “Exploring ES2016 and ES2017”. Know your Promises # The foundation of async functions is Promises. That’s why understanding the latter is crucial for understanding the former. Especially when connecting old code that isn’t based on Promises with async functions, you ofte

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async/awaitの細かな注意点について。 asyncの動作、awaitを忘れた場合の動画、`await Promise.all()`、コールバックとasync、unhandled rejectionについて