if parameter is not number in js
let num1 = 'Hello';
if(isNaN(num1)){
console.log(num1 + ' is not a number');
} else{
console.log(num1 + ' is a number');
}if parameter is not number in js
let num1 = 'Hello';
if(isNaN(num1)){
console.log(num1 + ' is not a number');
} else{
console.log(num1 + ' is a number');
}Copyright © 2021 Codeinu
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