Dmitri Pavlutin • 1/8/2020

NaN in JavaScript

Read Original

This technical article explains the JavaScript NaN value, a special number type representing invalid numeric operations. It details how to check for NaN using equality checks, isNaN(), and Number.isNaN(), and explores common scenarios that generate NaN, such as parsing invalid strings or performing arithmetic with undefined.

0 comments
#JavaScript #type checking #Equality
NaN in JavaScript

Comments

No comments yet

Be the first to share your thoughts!

Browser Extension

Get instant access to AllDevBlogs from your browser

Top of the Week

1
The Beautiful Web
Jens Oliver Meiert • 2 votes
2
When your coding agent doesn’t understand your project, you’ll get junk
Benjamin Cane • 1 votes
3
LLM Use in the Python Source Code
Miguel Grinberg • 1 votes
4
Wagon’s algorithm in Python
John D. Cook • 1 votes
5
An example conversation with Claude Code
Dumm Zeuch • 1 votes