if (this.tilesChecked.length === 2) {
        this.canGet = false;

        if (
          this.tilesChecked[0].dataset.cardType ===
          this.tilesChecked[1].dataset.cardType
        ) {
          setTimeout(this.deleteTiles.bind(this), 500);
        } else {
          setTimeout(this.resetTiles.bind(this), 500);
        }

        this.moveCount++;
        this.divScore.innerText = this.moveCount;
      }
    }
  },

  deleteTiles: function() {
    this.tilesChecked[0].remove();
    this.tilesChecked[1].remove();

    this.canGet = true;
    this.tilesChecked = [];

    this.tilePairs++;
    if (this.tilePairs >= this.tileCount / 2) {
      alert('gameOver!');
    }