Tag: JS engine

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Understanding JavaScript Promise

The JavaScript Promise is a concept that every modern self-respecting web developer should be familiar with. No matter if you just started learning JavaScript or trying to catch up on the JavaScript language updates. If you want to understand the JavaScript Promise, this article is for you.

I will quickly take you through the theory of Promises and jump right into its API with practical usage examples. After reading, you will be ready to work with Promises created by JavaScript frameworks but also know how to create your own.

Enough of the introduction. Let’s get this show on the road.
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The JavaScript runtime environment

Have you just started learning JavaScript?

Or maybe you already have some language experience but want to understand JavaScript runtime in more details?

Whatever reason brought you here, there are a few elements of JavaScript runtime that you should get to know.

In this article, I’m going to show you how the JavaScript runtime environment works under the hood. You’ll learn about its elements, their responsibilities, and the way they interact with each other.

Are you ready?

If so, let’s start with the first element of the puzzle.

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