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YouTubeProgrammingKnowledge
What is NaN in JavaScript and How to Handle It | Detect, Fix & Avoid Not-a-Number in Your JS Code
Ever seen NaN in your JavaScript output and wondered what it means? In this beginner-friendly tutorial, you’ll learn what NaN (Not-a-Number) is in JavaScript, why it appears, and how to properly detect, handle, and avoid it in your code. NaN can occur during invalid number operations and is often a sign of hidden bugs. Learn how to debug and ...
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