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‫(gentle electronic music)

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‫So we learned before that Node.js

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‫is all about asynchronous code,

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‫which was traditionally implemented

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‫using callback functions, right?

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‫However, in modern JavaScript,

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‫we now have some better tools

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‫to deal with asynchronous code,

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‫and these tools are Promises and Async/Await.

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‫So I will use Promises and Async/Await

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‫in this entire course now,

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‫well, because, that's just the way

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‫modern Node.js code is written,

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‫and so if you're not entirely familiar with these new tools,

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‫well, then please go ahead and watch this short section

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‫which will bring you up to speed

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‫with asynchronous JavaScript.

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‫But of course, if you already know Promises and Async/Await,

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‫then feel free to just entirely skip this section.