很可爱的小游戏，启动程序梦回诺基亚时代~
代码如下↓
<html> <head> <meta charset="utf8"> <title>贪吃蛇游戏</title> <!doctype html> <html> <body> <canvas id="can" width="400" height="400" style="background:Black"></canvas> <script> var sn = [ 42, 41 ], dz = 43, fx = 1, n, ctx = document.getElementById(<
