All results return"Youre too old" Why is that?

Question

var firstName =prompt("Enter number of letters first name");
var secondName =prompt("Enter number of letters in second name");
var totalNum = (firstName + secondName );

if (totalNum > 30) {
alert('Youre very old');
} else {
alert('Youre very young');
}

Answer 1

You need to use the function parseInt on your input.

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/parseInt

Answer 2

HonFu 😂 finally got it. Thanks alot