js实现可折叠展开的手风琴菜单效果

2019-11-20 11:36:02

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来源：转载

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本文实例讲述了js实现可折叠展开的手风琴菜单效果。分享给大家供大家参考。具体如下：

这是一款可折叠展开的菜单，手风琴菜单，运用CSS与JavaScript技术实现的合拢与伸展的网页菜单，代码简洁，来自老外的代码作品，希望大家喜欢。

运行效果截图如下：

在线演示地址如下：

http://demo.VeVB.COm/js/2015/js-hidden-show-sfq-style-menu-codes/

具体代码如下：

<!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=gb2312" /><title>折叠展开的菜单</title></head><body><style type="text/css">.menutitle{cursor:pointer;margin-bottom: 5px;background-color:#ECECFF;color:#000000;width:140px;padding:2px;text-align:center;font-weight:bold;/*/*/border:1px solid #000000;/* */}.submenu{margin-bottom: 0.5em;}</style><script type="text/javascript">if (document.getElementById){ //DynamicDrive.com changedocument.write('<style type="text/css">/n')document.write('.submenu{display: none;}/n')document.write('</style>/n')}function SwitchMenu(obj){if(document.getElementById){var el = document.getElementById(obj);var ar = document.getElementById("masterdiv").getElementsByTagName("span"); //DynamicDrive.com changeif(el.style.display != "block"){ //DynamicDrive.com changefor (var i=0; i<ar.length; i++){if (ar[i].className=="submenu") //DynamicDrive.com changear[i].style.display = "none";}el.style.display = "block";}else{el.style.display = "none";}}}</script><!-- Keep all menus within masterdiv--><div id="masterdiv"><div class="menutitle" onclick="SwitchMenu('sub1')">Site Menu</div><span class="submenu" id="sub1">- <a href="#">What's New</a><br>- <a href="#">What's hot</a><br>- <a href="#">Revised Scripts</a><br>- <a href="#">More Zone</a></span><div class="menutitle" onclick="SwitchMenu('sub2')">FAQ/Help</div><span class="submenu" id="sub2">- <a href="#">Usage Terms</a><br>- <a href="#">DHTML FAQs</a><br>- <a href="#">Scripts FAQs</a></span><div class="menutitle" onclick="SwitchMenu('sub3')">Help Forum</div><span class="submenu" id="sub3">- <a href="#">Coding Forums</a><br></span><div class="menutitle" onclick="SwitchMenu('sub4')">Cool Links</div><span class="submenu" id="sub4">- <a href="http://www.javascriptkit.com">JavaScript Kit</a><br>- <a href="//www.VeVB.COm">武林网</a><br>- <a href="http://www.cooltext.com">Cool Text</a><br></span></div></body></html>

希望本文所述对大家的JavaScript程序设计有所帮助。

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