That's just "Promises" right? http://www.html5rocks.com/en/tutorials/es6/promises/ http://www.html5rocks.com/en/tutorials/es6/promises/ https://developer.mozi

That's just "Promises" right? http://www.html5rocks.com/en/tutorials/es6/promises/ http://www.html5rocks.com/en/tutorials/es6/promises/ https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise https://developer.mozilla.org/en-US/docs/Web/JavaScript/Refe... Also, don't follow implementation. Follow the spec, and implement against it, not against an existing implementation. https://promisesaplus.com/ https://promisesaplus.com/