simple highscore

highscore.js

// save score for the first time
                    if (localStorage.hasOwnProperty("score") == false) {
                        localStorage.setItem("score", this.SCORE);
                    } else {
                        const savedScore = localStorage.getItem("score");
                        if (this.SCORE > savedScore) {
                            localStorage.setItem("score", this.SCORE);
                        }
                    }

                    this.scene.start("gameover", { currentScore: this.SCORE });