Nan JavaScript Error - Search localsearch

stackoverflow.com

https://stackoverflow.com/questions/63857328/why-i…

Why is'NaN' in JavaScript and how do I fix it? - Stack Overflow

I would recommend as a FIRST test after var num = Number(prompt('Please enter the number')) checking if isNaN(num) or Number.isNaN(num) to avoid further complications in your code (note, don't check if num === NaN since NaN !== NaN

mozilla.org

https://developer.mozilla.org/en-US/docs/Web/JavaS…

NaN - JavaScript - MDN

When NaN is one of the operands of any relational comparison (>, <, >=, <=), the result is always false. NaN compares unequal (via ==, !=, ===, and !==) to any other value — including to another NaN value.

medium.com

https://medium.com/@Adekola_Olawale/fixing-nan-iss…

Fixing “NaN” Issues When Performing Arithmetic in JavaScript

Learn how to fix NaN issues in JavaScript arithmetic. Discover causes, debugging methods, and best practices for handling number errors.

w3schools.com

https://www.w3schools.com/jsref/jsref_number_nan.a…

JavaScript NaN Property - W3Schools

Description In JavaScript, NaN is short for "Not-a-Number". In JavaScript, NaN is a number that is not a legal number. The Global NaN property is the same as the Number.Nan property.

geeksforgeeks.org

https://www.geeksforgeeks.org/javascript/javascrip…

JavaScript NaN Property - GeeksforGeeks

NaN, which stands for "Not a Number," is a special value in JavaScript that shows up when a mathematical operation can't return a valid number. This can happen if you try something like dividing zero by zero or converting a string that doesn't contain numbers.

openreplay.com

https://blog.openreplay.com/strange-life-nan-javas…

The Strange Life of NaN in JavaScript - blog.openreplay.com

NaN is a valid number type per IEEE 754, representing undefined or unrepresentable mathematical results. NaN never equals itself—use Number.isNaN() or Object.is() for reliable detection. The global isNaN() coerces arguments first, causing false positives; avoid it.

javascripttutorial.net

https://www.javascripttutorial.net/javascript-nan/

An Essential Guide to JavaScript NaN

In this tutorial, you'll learn about the JavaScript NaN, how to check if a value is NaN, and how to handle NaN effectively.

towardsdev.com

https://towardsdev.com/understanding-nan-in-javasc…

Understanding NaN in JavaScript: The Invalid Number Explained

Well, NaN is a numeric value that represents something that isn’t a valid number. I think the best way to think about it is as an invalid number. Let’s discuss some operations that lead to NaN. For example, when we divide zero by zero, we don't get an error but NaN. NaN is contagious.

tech-champion.com

https://tech-champion.com/programming/javascript/d…

Diagnose Numerical Errors: JavaScript’s NaN and isNaN () Explained

Master JavaScript's NaN and isNaN () to diagnose numerical errors effectively. This guide offers practical examples and strategies for robust error handling, ensuring data integrity and reliable code.

dev.to

https://dev.to/agunechemba/why-does-nan-nan-return…

Why Does NaN === NaN Return False in JavaScript?

In JavaScript, NaN === NaN evaluates to false, which might seem strange at first. To understand this behavior, we need to explore what NaN represents and why it behaves this way.