Adding a high score to local storage

Question

I want to add a high score to my game. Right now I have this:

var score = 0;
var highscore = 0;

The score variable works but whenever I get

Answer 1

if (score > parseInt(localStorage.getItem('highscore'), 10)) {
  localStorage.setItem('highscore', score);
}

convert into int before comparing. its string