http://nikgrozev.com/2017/10/01/async-await/

http://jamesknelson.com/grokking-es6-promises-the-four-functions-you-need-to-avoid-callback-hell/

https://addyosmani.com/resources/essentialjsdesignpatterns/book/

https://medium.com/@bluepnume/learn-about-promises-before-you-start-using-async-await-eb148164a9c8

https://github.com/airbnb/javascript

http://shebang.pl/artykuly/es6-bez-tajemnic-wprowadzenie/

We have a problem with promises Promise Anti-patterns

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