本文實例講述了JS+CSS實現仿支付寶菜單選中效果代碼。分享給大家供大家參考。具體如下：
這是一個漂亮的JS+CSS仿支付寶菜單，總體風格和形式與支付寶的菜單沒什么兩樣，細心會發現這是一個CSS愛好者自己手功完成的，自己美化圖片，重寫CSS代碼，為作者給我們奉獻這么好的菜單而表示感謝。
運行效果截圖如下：
在線演示地址如下：
http://demo.VeVB.COm/js/2015/js-css-f-alipay-style-menu-codes/
具體代碼如下：
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN""http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><title>CSS仿支付寶菜單</title><style type="text/css">* { padding:0px; margin:0px; list-style:none; }body { font-size:14px; font-family:Verdana; }#nav ul.nav_left, #nav ul.nav_right, #nav ul.nav_main li, #nav ul.nav_main li.over a, #nav ul.nav_main li a span, #nav ul.nav_main li.over a span { background:url(images/b.gif) no-repeat; }#nav { background:url(images/b.gif) repeat-x; }#wrap { width:960px; margin:0 auto; height:auto; overflow:hidden; padding-top:50px; }#nav { background-position: 0 -178px; height:79px; width:960px; }#nav ul.nav_left { background-position: 0 0; float:left; width:10px; height:79px; display:inline; }#nav ul.nav_right { background-position:-20px 0; float:right; width:10px; height:79px; display:inline; }#nav ul.nav_main { float:left; display:inline; }#nav ul.nav_main li { background-position: -41px 0; float:left; padding:0 5px; }#nav ul.nav_main li a { height:40px; display:block; text-decoration:none; float:left; }#nav ul.nav_main li.over a { background-position: 0 -85px; }#nav ul.nav_main li a span { background-position: right -90px; height:22px; display:block; padding-right:30px; padding-left:20px; padding-top:18px; color:#fff; font-weight:bold; overflow:hidden; cursor:pointer; float:left; margin-left:15px; display:inline; }#nav ul.nav_main li.over a span { background-position: right -130px; color:#555; }#nav ul.nav_main li#show_0 { background:none; }</style><script type="text/javascript">function $(id) { return document.getElementById(id);}window.onload = function() { var Root = $("nav_li").getElementsByTagName("li"); for (var i = 0; i < Root.length; i++) { c = Root[i]; c.setAttribute("id", "show_" + i); var xp = function(i) { show(i); }; c.onmouseover = dete_bibao(xp, i, c); }}function show(j) { for (var n = 0; n <= 6; n++) { if ($("show_" + n).className != "s") { $("show_" + n).className = "s"; } if (n == j) { $("show_" + n).className = "over"; } }}function dete_bibao(fn, params, obj) { return function() { fn.call(obj || window, params); }}</script></head><body><div id="wrap"> <div id="nav"> <ul class="nav_left"> </ul> <ul class="nav_main" id="nav_li"> <li><a href="#"><span>首頁</span></a></li> <li><a href="#"><span>腳本代碼</span></a></li> <li><a href="#"><span>腳本下載</span></a></li> <li><a href="#"><span>網頁特效</span></a></li> <li><a href="#"><span>生活社區</span></a></li> <li><a href="#"><span>休閑電影</span></a></li> <li><a href="#"><span>哈哼~</span></a></li> </ul> <ul class="nav_right"> </ul> </div></div></body></html>希望本文所述對大家的JavaScript程序設計有所幫助。
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