Why NaN==NaN and NaN===NaN return false?

hi

== (double equals) only check the values.

But === (triple equals ) check both type and values

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Hi Ajay,

Please find below link which will help you to understand,

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/NaN

https://javascriptrefined.io/nan-and-typeof-36cd6e2a4e43

0

Because typeof NaN !== typeof false. Being falsy doesn't mean it's === false.

for more information please check below link

https://stackoverflow.com/questions/22600248/is-nan-falsy-why-nan-false-returns-false

0