doubledenial @doubledenial

TIL: In JavaScript, isNaN("") returns false, but parseInt("") returns NaN. o_o

Jul 30, 2022, 5:40 PM
5
View all

comments

Highlighted comment
jeffalo @jeffalo Jul 30, 2022, 10:11 PM

isNaN(parseInt("")) == true
doubledenial @doubledenial Jul 30, 2022, 11:20 PM

In that case you can use Number.isNaN since you’ll be passing in a number anyway