Similarly, async/await in JavaScript is sugar, reducing the need for boilerplate code. The feature is available in build 10547 as part of the Windows Insider program.

For example, a future version might use Promises. And of course, when PhantomJS fully supports JavaScript generators in ES6 or async/await in ES7, knysa may not be needed.

Asynchronous programming is a form of parallel programming that enables you to execute tasks separate from the main application thread and then notifies the thread when its execution is over ...