Answers for "how to check typeof a value is nan"

check if value is NaN

Number.isNaN(123)

Posted by: Guest on December-17-2020

check if var is NaN

let b=1
let n=readline()
if(isNaN(b)){
  console.log("You typed 0!")
}else{
  console.log("You did not type 0!")
}

Posted by: Guest on April-23-2020

Code answers related to "how to check typeof a value is nan"