Chapter: Asynchronous programming in JavaScript

[rauschma]

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[AndiPersti]

39.1.3 Callback-based asynchronous functions :

In the code snippet the second parameter of the callback is named result. But later on in the text, the parameter is called r:

A result r: Then the following task is added to the queue. taskQueue.enqueue(() => callback(null, r));

I'd suggest to use result in both places.

[rauschma]

@AndiPersti True, thanks! Fixed in next release.

[0fye]

In 39.2 "The call stack" section:

https://exploringjs.com/impatient-js/ch_async-js.html#the-call-stack

Error.prototype.stack is non-standard:

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Error/Stack

It's implemented in all platforms though. Maybe mention this fact a little bit?

[rauschma]

@0fye Yes! Mentioned here: https://exploringjs.com/impatient-js/ch_exception-handling.html#error-stack

[0fye]

Ahh nice, thanks!!! @rauschma