子菜单在菜单上保持打开状态 [英] Submenu stay open on menu click
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问题描述
我的js菜单代码有问题。首先让我解释一下我尝试做的事情。
I have a problem with js menu code. first let me explain what I try to do.
我有一个包含子菜单的菜单。当单击父级并包含子菜单时，子菜单应该打开，当前往另一页（从单击的项目，例如子菜单项的父项）时，子菜单应保持活动且可见。
I have a menu with some items containing a submenu. The submenu's should open when a parent is clicked and contains submenu's, and when traveling to another page (from the item clicked, for example a parent of submenu item), the submenu should remain active and visible.
现在，当我点击父项时，子菜单会快速闪烁，但即使打开时也会关闭。我希望子菜单在单击具有子菜单的父级时保持打开状态，这样用户就可以轻松导航。
Now when I click on a parent item the submenu quickly blinks but is closed even as fast as it opens. I want the submenu to remain open when clicked on a parent that has a submenu, so users can easily navigate.
所以，这是我到目前为止的代码： / p>
So, here is the code I have so far:
<div id="topnav">
<ul>
<li>
<a href="index.html">Home</a>
</li>
<li>
<a href="#">Over Meves</a>
<ul class="submenu">
<li><a href="#" class="suba">Historie</a></li>
<li><a href="#" class="suba">Onze mensen</a></li>
<li><a href="#" class="suba">Werkzijze</a></li>
</ul>
</li>
<li>
<a href="vervolg3.html">Disciplines</a>
<ul class="submenu">
<li><a href="vervolg.html" class="suba">Klimaatbeheersing</a></li>
<li><a href="#" class="suba">Elektrotechniek</a></li>
<li><a href="#" class="suba">Sanitaire techniek</a></li>
<li><a href="#" class="suba">Energiebesparingstechniek</a></li>
<li><a href="#" class="suba">Bouwfysica en geluid</a></li>
<li><a href="#" class="suba">Diensten energiebesparing</a></li>
</ul>
</li>
<li>
<a href="#">Expertise</a>
<ul class="submenu">
<li><a href="#" class="suba">Woningbouw & Utiliteit</a></li>
<li><a href="#" class="suba">Zorg & Welzijn</a></li>
<li><a href="#" class="suba">Milieu & Energie</a></li>
<li><a href="#" class="suba">Beheer & Onderhoud</a></li>
<li><a href="#" class="suba">EPA & EPC</a></li>
<li><a href="#" class="suba">Legionella beheersing</a></li>
</ul>
</li>
<li>
<a href="#">Contact</a>
<ul class="submenu">
<li><a href="#" class="suba">Adres & route</a></li>
<li><a href="#" class="suba">Werken bij</a></li>
</ul>
</li>
</ul>
</div>
javascript：
The javascript:
var ddmenuitem = 0;
function jsddm_open()
{ jsddm_close();
ddmenuitem = $(this).find('ul.submenu').css('display', 'block');
}
function jsddm_close()
{
if(ddmenuitem) ddmenuitem.css('display', 'none');
}
$(document).ready(function()
{
$('#topnav > ul > li').bind('click', jsddm_open)
$('#topnav ul li a.suba').click(function(e){
if ($(this).attr('class') != 'active'){
$('#topnav ul li a.suba').removeClass('active');
$(this).addClass('active');
}
});
$('a').filter(function(){
return this.href === document.location.href;
}).addClass('active')
$("ul.submenu > li > a").each(function () {
var currentURL = document.location.href;
var thisURL = $(this).attr("href");
if (currentURL.indexOf(thisURL) != -1) {
$(this).parent("ul.submenu").css('display', 'block');
}
});
});
并且css：
#topnav ul
{
list-style: none;
padding: 0;
margin: 0;
}
#topnav ul li
{
float: left;
margin: 0;
padding: 0;
}
#topnav ul li a
{
padding: 5px 15px;
color: #00537F;
text-decoration: none;
display: block;
font-weight: bold;
}
#topnav ul li a:link
{
color: #FFF;
text-decoration: none;
}
#topnav ul li a:visited
{
color: #FFF;
text-decoration: none;
}
#topnav ul li a:hover
{
color: #FFF;
text-decoration: underline;
}
#topnav ul li a.active
{
text-decoration: underline;
color: #FFF;
}
/*#topnav ul li:hover .submenu
{
display:block;
}*/
#topnav ul li ul.submenu
{
float: left;
padding: 4px 0;
position: absolute;
left: 0;
top: 24px;
display: none;
background: #e0e0e0;
color: #00537F;
}
#topnav ul li ul.submenu a
{
display: inline;
color: #00537F;
padding: 4px 8px;
}
#topnav ul li ul.submenu li
{
border-right-width: 1px;
border-right-style: solid;
border-right-color: #00537F;
}
#topnav ul li ul.submenu li:last-child
{
border-right-style: none;
}
#topnav ul li ul.submenu a:link
{
color: #00537F;
}
#topnav ul li ul.submenu a:visited
{
color: #00537F;
}
#topnav ul li ul.submenu a:hover
{
text-decoration: underline;
color: #00537F;
}
#topnav ul li ul.submenu li.active
{
text-decoration: underline;
color: #00537F;
}
#topnav ul li ul.submenu a.active
{
text-decoration: underline;
color: #00537F;
}
请帮忙。
修改
加载父页时，子菜单未显示。
The submenu isn't showing when I load a parent page.
我一直在玩代码，但这仍然无效：
I've been playing with a code, but this is still not working:
$('#topnav a').each(function(){
var myHref= $(this).attr('href');
if( url.match( myHref)) {
$(this).addClass('active');
$(this).closest('ul').css('display', 'block');
}
});
推荐答案
好的我找到了答案。这将解决它：
Ok I found the answer. This will fix it:
$(document).ready(function()
{
$('#topnav ul li ul.submenu li a').click(function(e){
if ($(this).attr('class') != 'active'){
$('#topnav ul li a').removeClass('active');
$(this).addClass('active');
}
});
$('a').filter(function(){
return this.href === document.location.href;
}).addClass('active')
$("ul.submenu > li > a").each(function () {
var currentURL = document.location.href;
var thisURL = $(this).attr("href");
if (currentURL.indexOf(thisURL) != -1) {
$(this).parents("ul.submenu").css('display', 'block');
}
});
$('#topnav > ul > li > a').each(function(){
var currURL = document.location.href;
var myHref= $(this).attr('href');
if (currURL.match(myHref)) {
$(this).addClass('active');
$(this).parent().find("ul.submenu").css('display', 'block');
}
});
});
这篇关于子菜单在菜单上保持打开状态的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！
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