voxtex

I've found using promises with generators yields code very similar to async/await, without relying on experimental features.

https://github.com/tj/co

or

https://github.com/petkaantonov/bluebird/blob/master/API.md#...

' + alert() + '

worked for me.

Completely agree with you. Many of the tests don't do any kind of assertion, simply ensure that an exception isn't thrown on the invocation of a method. An interface defined in a static language would render the majority of these tests unnecessary.