Or don&#x27;t use undeveloped language features until they&#x27;re available. I&#x27;m very happy with the subset of ES6 available on node, but I never shared the complaints many people have of &quot;callback hell&quot;. It&#x27;s really not difficult to deal with and adding promises doesn&#x27;t magically make it better, I&#x27;ve seen my share of promise hell.