写的一段js贪吃蛇代码，希望大家喜欢-优快云博客

jQuerySnakey是一款基于jQuery的趣味蛇类游戏，本文介绍了游戏的基本规则、操作指南、快捷键说明、高分记录、bug追踪及待办事项，并提供了游戏的源代码链接。

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	<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
	<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
	<head>
	<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
	<title>jQuery Snakey</title>
	<!--<base href="http://jquery-snakey.googlecode.com/svn/trunk/" />-->
	<link rel="stylesheet" type="text/css"media="screen" href="css/jq.css" />
	<link rel="stylesheet" type="text/css"media="screen" href="css/tabs.css" />
	<link rel="stylesheet" type="text/css"media="screen" href="css/snake.css" />
	<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.2.6/jquery.min.js"></script>
	<!--<script type="text/javascript" src="js/jquery.js"></script>-->
	<script type="text/javascript" src="js/jquery.ui.core.js"></script>
	<script type="text/javascript" src="js/jquery.snake.js"></script>
	<script type="text/javascript" src="js/common.js"></script>
	</head>
	<body>
	<div>
	<a id="logo" href="http://jquery.com"title="Powered By jQuery"></a>
	</div>
	<h1 id="banner">
	jQuery Snakey
	</h1>
	<div id="main">

	<ul id="nav" class="anchors">
	<li><a href="#overview">Overview</a></li>
	</ul>
	<div id="overview" class="tabContent">

	<div id="snake-col-info" class="col-r">

	<div id="marginLeft">

	<h2><a href="#instructions"class="accordian open">Instructions</a></h2>
	<div id="instructions">
	<p>
	Use the keyboard arrow keys to control the snake. Eat the specified amount of cherries to advance to the next level,
	without slithering into yourself or a wall. The speed and length of the snake will increase with every cherry eaten.
	The game ends when you have used up all your lives, or when you finish all levels. Have fun!
	</p>
	</div>

	<h2><a href="#shortcut-keys"class="accordian open">Shortcut Keys</a></h2>
	<div id="shortcut-keys">
	<ul>
	<li>P : Pause/Resume Game</li>
	<li>N : New Game</li>
	<li>G : Toggle Grid</li>
	</ul>
	</div>

	<h2><a href="#high-scores"class="accordian">High Scores</a></h2>
	<div id="high-scores" class="scores hidden">
	(coming soon..)
	<!--
	<span class="head">
	<span class="col1">
	Pos.
	</span>
	<span class="col2">
	Score
	</span>
	<span class="col3">
	Name
	</span>
	</span>
	-->
	</div>

	<h2><a href="#bugs"class="accordian">Bugs & Todo</a></h2>
	<div id="bugs" class="hidden">
	<ul>
	<li class="strike">TODO: Make snake grow in length</li>
	<li class="strike">TODO: Introduce levels</li>
	<li class="strike">TODO: Introduce wall obstacles</li>
	<li class="strike">TODO: Game over when snake slithers into itself</li>
	<li class="strike">BUG: new game, need to reset segment object using initial values</li>
	<li class="strike">BUG: cherries cannot be positioned under snake or wall segments</li>
	<li>BUG: snake needs to grow from tail and not from head</li>
	<li class="strike">TODO: add multiple wall obstacles</li>
	<li>TODO: Track/store high scores</li>
	</ul>
	</div>

	<h2><a href="#source"class="accordian">Source</a></h2>
	<div id="source" class="hidden"style="margin-top:0px">
	<ul>
	<li>
	<a href="http://jquery-snakey.googlecode.com/svn/trunk/js/jquery.snake.js">jquery.snake.js</a>
	(Uncompressed & commented)
	</li>
	</ul>
	</div>

	<h2><a href="#info"class="accordian">Info/Contact</a></h2>
	<div id="info" class="hidden">
	<ul>
	<li>
	<p>Tested on all major browsers:</p>

	<p class="browser-icons">
	<a class="firefox" title="Firefox 2 & 3"href="http://www.mozilla.com/firefox/"> </a>
	<a class="explorer" title="Explorer 6, 7 & 8"href="http://www.microsoft.com/windows/products/winfamily/ie/"> </a>
	<a class="safari" title="Safari 3"href="http://www.apple.com/safari/"> </a>
	<a class="opera" title="Opera 9"href="http://www.opera.com"> </a>
	<a class="chrome" title="Chrome"href="http://www.google.com/chrome"> </a>
	</p>
	</li>
	<li>
	<p>
	Please use the <a href="http://code.google.com/p/jquery-snakey/issues/list">issue tracker</a> to log any bugs. Any feedback can be sent to:

	</p>
	<p>
	<img src="img/gmail.png"alt="my email" />
	</p>
	</li>
	<li>
	<p>
	This isn't a particularly large project, but it was fun making it! <br/>
	You can check out the project, including all source code &
	repository at <a href="http://jquery-snakey.googlecode.com">jquery-snakey.googlecode.com</a>
	</p>
	</li>
	</ul>
	</div>
	</div>
	</div>

	<div id="snake-col-map" class="col-l">

	<!--
	<noscript class="error">
	You need javascript enabled on your browser to be able to play this game.
	</noscript>
	-->

	<div id="map1">
	<span id="map-msg">
	<!-- click to give focus to the document -->
	<a href="#start"id="start-game">
	<img src="img/snake/start_game.jpg"alt="Start Game!" />
	</a>
	</span>
	</div>
	<div id="stats">
	<span class="right">Eaten:
	<span id="stats-eaten">0</span> /
	<span id="stats-totcherries">0</span>
	</span>
	Level: <span id="stats-level">0</span> \|
	Lives: <span id="stats-lives">0</span> \|
	Score: <span id="stats-score">0</span>
	</div>
	</div>
	</div>
	</div>
	</body>
	</html>