queueMicrotask support

[wessberg]

queueMicrotask has landed in the HTML spec as a new timing primitive.

It would be nice to have this on Caniuse.

Pull request over at whatwg/html: whatwg/html#2789

See also https://www.chromestatus.com/feature/5111086432911360

Implementation bugs:

• https://bugs.chromium.org/p/chromium/issues/detail?id=864900
• https://bugs.webkit.org/show_bug.cgi?id=188212
• https://bugzilla.mozilla.org/show_bug.cgi?id=1480236
• https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/35006017-implement-self-queuemicrotask

[Schweinepriester]

+1

https://developer.mozilla.org/en-US/docs/Mozilla/Firefox/Releases/69:

The Microtask API (WindowOrWorkerGlobalScope.queueMicrotask()) has been implemented (bug 1480236).