纯前端小游戏，4096小游戏，有音效，Html5，可学习使用

  // 游戏开始运行create: function(){this.fieldArray = [];this.fieldGroup = this.add.group();this.score = 0;//4096 增加得分this.bestScore = localStorage.getItem(gameOptions.localStorageName) == null ? 0 : localStorage.getItem(gameOptions.localStorageName);for(var i = 0; i < 4; i++){this.fieldArray[i] = [];for(var j = 0; j < 4; j++){var spot = this.add.sprite(this.tileDestination(j, COL), this.tileDestination(i, ROW), "spot")var tile = this.add.sprite(this.tileDestination(j, COL), this.tileDestination(i, ROW), "tiles");tile.alpha = 0;tile.visible = 0;this.fieldGroup.add(tile);this.fieldArray[i][j] = {tileValue: 0,tileSprite: tile,canUpgrade: true}}}var restartButton = this.add.sprite(this.tileDestination(3, COL), this.tileDestination(0, ROW) - 200, "restart");restartButton.setInteractive();restartButton.on("pointerdown", function(){this.scene.start("PlayGame");}, this)this.add.sprite(this.tileDestination(1, COL), this.tileDestin