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Not sure if the title is indicative of the tutorial's true usefulness. The information on asynchronous function calling alone is worth the click-through.

I wasn't aware of any of the three javascript packages (are they libraries? frameworks? seems like they're not really), and anyone looking to improve their asynchronous javascript writing skills and readability should take a look. The author admits that debugging could be an issue since these packages all generate new javascript from your current code, but the concepts look very promising.

Agreed. Extremely interesting and useful ... and not at all what I expected from the title!

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