Answers for "how to check if a number is an integer in javacsript"

javascript is number an integer

Number.isInteger(value)

//returns a Boolean

Posted by: Guest on January-18-2020

js check if string is integer

function isInt(str) {
  return !isNaN(str) && Number.isInteger(parseFloat(str));
}

Posted by: Guest on June-04-2020

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

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