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These Interview Concepts helped me land a Job
Learn these concepts: Single-Threaded, Multi-Threaded, Asynchronous, Synchronous, Web Workers, etc., in this article.
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Most experienced and new JavaScript developers come across the terms — Single-Threaded, Multi-Threaded, Blocking, Non-Blocking, Synchronous, Asynchronous, Call Stack, and more.
However, they do not know the meaning and importance of those concepts in JavaScript. Thus, I attempt to explain those terms in this article and additionally state why Brendan Eich, the creator of JavaScript, used this approach.
Let us start by understanding what single-threaded and synchronous means and how it works.
What do Single-Threaded and Synchronous mean?
Let’s begin with “JavaScript is a single-threaded synchronous language.”
The single-threading term refers to our program getting executed one line at a time individually because JS only contains one Call Stack and one Memory Heap.
That means the upcoming statements in the program cannot get executed until the current one completes its…
