Skip to main content

You are not logged in. Your edit will be placed in a queue until it is peer reviewed.

We welcome edits that make the post easier to understand and more valuable for readers. Because community members review edits, please try to make the post substantially better than how you found it, for example, by fixing grammar or adding additional resources and hyperlinks.

Required fields*

2
  • 1
    shouldn't the "already complete" branch use setTimeout(resolve, 0) (or setImmediate, if available) to ensure that it's called asynchronously? Commented Oct 15, 2015 at 6:48
  • 6
    @Alnitak Calling resolve synchronously is fine. The Promise's then handlers are guaranteed by the framework to be called asynchronously, regardless of whether resolve is called synchronously. Commented Aug 14, 2016 at 21:17