网页贪吃蛇。实现方式：通过Javascr ipt空中网页中的表格块区域随着键盘事件的触发做出相应举动，游戏结束有评分。附加功能：在看到实物时会自动加速，食完后自动减速(Web page snake. Implementation: through the Javascr ipt air page in the table block area, with the keyboard event triggered to do the corresponding action, the game has a score. Additional function: automatically accelerates when the object is seen, and automatically decelerates after eating)