Скачать или смотреть 5 JavaScript NaN Interview Questions in | Must-Know JS Concepts

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In this short video, we discuss 5 important JavaScript interview questions, all based on NaN (Not-a-Number).
You’ll learn:

What is NaN and when does it occur?

Why NaN is never equal to NaN

Why typeof NaN gives "number"

How to check if a value is NaN

Difference between isNaN() and Number.isNaN()

Comment below how many answers you already knew!
More interview questions in the playlist → check description.

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