---
title: "Comment by Maxi Contieri on \"JavaScript undefined and null: Let's talk about it one last time!\" | Hashnode"
description: "Nice article. Watch out for null as it is a code Smell and should be avoided most of the times. As you correctly state in your article is very different to unde"
url: "https://hashnode.com/posts/javascript-undefined-and-null-lets-talk-about-it-one-last-time/5fa5277347631a19e8120044/comment/5fa5efc40163314ab6d7e472"
---

[Discussion](https://hashnode.com/posts/javascript-undefined-and-null-lets-talk-about-it-one-last-time/5fa5277347631a19e8120044)

Comment [JavaScript undefined and null: Let's talk about it one last time!](https://hashnode.com/posts/javascript-undefined-and-null-lets-talk-about-it-one-last-time/5fa5277347631a19e8120044)

[Maxi Contieri](https://hashnode.com/@mcsee)

[Nov 7, 2020](https://hashnode.com/posts/javascript-undefined-and-null-lets-talk-about-it-one-last-time/5fa5277347631a19e8120044/comment/5fa5efc40163314ab6d7e472)

Nice article.

Watch out for null as it is a code Smell and should be avoided most of the times.

As you correctly state in your article is very different to undefined.

[https://mcsee.hashnode.dev/code-smell-12-null](https://mcsee.hashnode.dev/code-smell-12-null)

[Tapas Adhikary](https://hashnode.com/@atapas)

[Nov 7, 2020](https://hashnode.com/posts/javascript-undefined-and-null-lets-talk-about-it-one-last-time/5fa5277347631a19e8120044/comment/5fa5efc40163314ab6d7e472#reply-5fa60fe154cc5b4ad931e645)

Absolutely! Thanks for pointing to your code smell series.