---
title: "Jakub Wiśniewski (@jakubwisniewski) | Hashnode"
description: "product designer. Read the latest articles by Jakub Wiśniewski on Hashnode."
url: "https://hashnode.com/@jakubwisniewski"
---

@jakubwisniewski

# Jakub Wiśniewski

@jakubwisniewski · Joined November 2023

product designer

[Website](https://devstorm.pl/)

### [Handling Not-a-Number in JavaScript](https://gears.hashnode.dev/handling-not-a-number-in-javascript?utm_source=hashnode&utm_medium=feed)

Picture this: You're in the coding groove, weaving your digital tapestry, and suddenly NaN saunters onto the scene, like an unexpected guest at a tea party. It's not your typical number, oh no! NaN is the whimsical misfit that loves to join the numer...

2 min read · [gears.hashnode.dev](https://gears.hashnode.dev/handling-not-a-number-in-javascript?utm_source=hashnode&utm_medium=feed)

[Nov 29, 2023](https://hashnode.com/posts/handling-not-a-number-in-javascript/6566bc9110acc163d7891e09)