本文實(shí)例講述了js實(shí)現(xiàn)橫向伸展開(kāi)的二級(jí)導(dǎo)航菜單代碼。分享給大家供大家參考。具體如下：
這是一款js實(shí)現(xiàn)的橫向伸展開(kāi)二級(jí)導(dǎo)航菜單，鼠標(biāo)放在一級(jí)菜單的第四個(gè)菜單項(xiàng)上，就能展開(kāi)二級(jí)的菜單，菜單沒(méi)有過(guò)多美化，只是一般的修飾，使用的朋友可根據(jù)您自己的網(wǎng)站風(fēng)格重新美化菜單風(fēng)格。
運(yùn)行效果截圖如下：
在線演示地址如下：
http://demo.VeVB.COm/js/2015/js-r-show-menu-style-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> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>橫向伸展開(kāi)來(lái)的二級(jí)導(dǎo)航菜單</title> <style type="text/css"> .suckerdiv { } .suckerdiv ul { width: 120px; position: relative; } .suckerdiv ul li ul { left: 120px; /* Parent menu width - 1*/ position: absolute; width: 140px; /*sub menu width*/ top: 0; display: none; } /*All subsequent sub menu levels offset */ .suckerdiv ul li ul li ul { left: 159px; /* Parent menu width - 1*/ } /* menu links style */ .suckerdiv ul li a { display: block; color: #353302; text-decoration: none; font:12px 宋體; background: #eee; line-height:24px; padding: 0px 10px; border: 1px solid #fff; border-bottom: 0; } .suckerdiv ul li a:visited { color: black; } .suckerdiv ul li a:hover{ color: white; background-color: #97c839; } .suckerdiv .subfolderstyle { } .suckerdiv a.subfolderstyle:hover { background: #97c839 url() no-repeat center right; } </style></head><body><script type="text/javascript"> var menuids = ["suckertree1"] function buildsubmenus() { for (var i = 0; i < menuids.length; i++) { var ultags = document.getElementById(menuids[i]).getElementsByTagName("ul") for (var t = 0; t < ultags.length; t++) { ultags[t].parentNode.getElementsByTagName("a")[0].className = "subfolderstyle" ultags[t].parentNode.onmouseover = function () { this.getElementsByTagName("ul")[0].style.display = "block"; this.firstChild.style.backgroundColor = 'green'; } ultags[t].parentNode.onmouseout = function () { this.getElementsByTagName("ul")[0].style.display = "none" this.firstChild.style.backgroundColor = ''; } } } } if (window.addEventListener) window.addEventListener("load", buildsubmenus, false) else if (window.attachEvent) window.attachEvent("onload", buildsubmenus)</script><div class="suckerdiv"> <ul id="suckertree1"> <li><a href="#">騰訊新聞</a></li> <li><a href="#">騰訊汽車</a></li> <li><a href="#">騰訊科技</a></li> <li><a href="#">騰訊手機(jī)</a> <ul> <li><a href="#">HTC</a></li> <li><a href="#">聯(lián)想</a></li> <li><a href="#">華為</a></li> <li><a href="#">中興</a></li> </ul> </li> </ul></div></body></html>希望本文所述對(duì)大家的javascript程序設(shè)計(jì)有所幫助。
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