Imperative vs Declarative programming in JavaScript

Martin Novak
Webtips
Published in
7 min readJun 22, 2021

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JavaScript is an amazing programming language that allows you to write code in different paradigms or combine them into a multiparadigmatic approach.

I want to take the opportunity to demonstrate different imperative and declarative paradigms, what they look like in real code and what their benefits are.

The most common explanation of the difference between imperative and declarative programming is that imperative code tells the computer how to do things and declarative program focuses on what you want from the computer. You may feel like this explanation is quite confusing but I will make sure to make it much more clear.

There are many other paradigms under both imperative and declarative paradigms. In imperative programming, you have procedural code and also all the different flavors of object-oriented programming. Declarative programming is represented by domain-specific…

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Martin Novak
Webtips

Martin is a product manager at work, a software developer in his free time, and an entrepreneur at heart.