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

Try this:

var score = 0;
var highscore = localStorage.getItem("highscore");

if(highscore !== null){
    if (score > highscore) {
        localStorage.setItem("highscore", score);      
    }
}
else{
    localStorage.setItem("highscore", score);
}