Consider using Promise.prototype.then

[RangerMauve]

There's a blog post about how using Promise.then is supposedly even faster than .nextTick.

Given that we have stuff like io.js with Promise support and a lot of browser supporting it to, do you think it'd make sense to conditionally use this feature if it exists?

[ForbesLindesay]

We need to be a little careful with polyfills for Promise that use this library internally.

[RangerMauve]

Yeah, there could be something like this code to check that the Promise implementation is indeed native:

if(typeof Promise !== "undefined" && Promise.toString().indexOf("[native code]") !== -1){
    // it's native
}

Shamelessly grabbed from Benjamin Gruenbaum

[vicb]

FYI, there seems to be a bug in Firefox microtask scheduling using a resolved Promise, see https://bugzilla.mozilla.org/show_bug.cgi?id=1162013

[RubenVerborgh]

On Chrome, Promise does not seem be faster than MutationObserver.