Nice post! But about the callback hell, I would not consider it a problem anymore, as async/await, or even promises can make it go away.
This is completely true in some cases but sometimes you would still need callbacks, it's somehow inevitable! XD
Actually no. You can use something like promisify or even build your own solution, but you don't need to use nested callbacks.
Thanks for sharing this with us. That's true but still it is a little bit of more work to be done anyways.
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