Answers for "how to check if number is not number in javascript"

javascript check if variable is number

function isNumber(n) {
  return !isNaN(parseFloat(n)) && !isNaN(n - 0);
}

Posted by: Guest on May-22-2020

To check if a value is a number in JavaScript

const value = 2
isNaN(value) //false
isNaN('test') //true
isNaN({}) //true
isNaN(1.2) //false

Posted by: Guest on April-19-2021

Code answers related to "how to check if number is not number in javascript"