How to Check if a Value is NaN in JavaScript?

How to Check if a Value is NaN in JavaScript?

Blog Article

https://docs.vultr.com/javascript/global/isNaN

How to Check if a Value is NaN in JavaScript?
In JavaScript, NaN (Not-a-Number) is a special value that represents an invalid or undefined numeric operation.

Method 1: Using isNaN()
The isNaN() function checks if a value is NaN or can be converted to NaN.

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