How JavaScript works: an overview of the engine, the runtime, and the call stack

How JavaScript works: an overview of the engine, the runtime, and the call stack

As JavaScript is getting more and more popular, teams are leveraging its support on many levels in their stack - front-end, back-end, hybrid apps, embedded devices and much more.

This post is meant to be the first in a series aimed at digging deeper into JavaScript and how it actually works: we thought that by knowing the building blocks of JavaScript and how they come to play together you’ll be able to write better code and apps.

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Almost everyone has already heard of the V8 Engine as a concept, and most people know that JavaScript is single-threaded or that it is using a callback queue.

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If you’re relatively new to JavaScript, this blog post will help you understand why JavaScript is so “weird” compared to other languages.

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