Promise.prototype.finally · V8

Show navigation Promise.prototype.finally enables registering a callback to be invoked when a promise is settled (i.e. either fulfilled or rejected). Imagine you want to fetch some data to show on the page. Oh, and you want to show a loading spinner when the request starts, and hide it when the request completes. When something goes wrong, you show an error message instead. const fetchAndDisplay =

[daikikohara]

結局async/awaitが推奨らしいｗ "Since async and await are strictly better, my recommendation remains to use them instead of vanilla promises. That said, if you prefer vanilla promises for some reason, Promise.prototype.finally can help make your code simpler and cleaner."

[tyru]

“Promise.prototype.finally is enabled by default in V8 v6.3.165+ and Chrome 63+”

[efcl]

Chrome 63でPromise#finallyがサポートされる