← flaviocopes.com

The Number isFinite() method

Published Mar 25 2019

⚠️⚠️ JUST A FEW HOURS LEFT to JOIN THE 2023 BOOTCAMP ⚠️⚠️

Returns true if the passed value is a finite number. Anything else, booleans, strings, objects, arrays, returns false:

Number.isFinite(1) //true
Number.isFinite(-237) //true
Number.isFinite(0) //true
Number.isFinite(0.2) //true

Number.isFinite('Flavio') //false
Number.isFinite(true) //false
Number.isFinite({}) //false
Number.isFinite([1, 2, 3]) //false


Wanna go from noobie to expert?

I wrote an entire book on this topic 👇

I also got a super cool course 👇

© 2023 Flavio Copes Flavio Copes using Notion to Site Notion to Site

Interested in solopreneurship?