JS贪吃蛇游戏代码是一款很好玩的网页游戏代码。游戏难度分为初级、中级、高级、超高级、变态，选择难度开始游戏，游戏过程中可以随时调整难度级别。-JS Snake game code is a very fun game code page. Difficulty of the game is divided into beginner, intermediate, advanced, super senior, metamorphosis,　the difficulty to start the game, during the game you can always adjust the difficulty level.