我正在为我的Web开发人员组合模拟网站。我对Javascript和JQuery没有太多经验,但我正试图找出最有效的方式来显示和隐藏导航菜单的下拉菜单。我的JQuery不工作,我想知道是否有人有任何提示。另外,我计划在第一个UI中为所有乐器制作下拉菜单。显示和隐藏多列下拉列表
HTML:
<body>
<div class="container-fluid">
<div id="main-page">
<ul id="main-menu">
<li class="main-menu-list-items" style="border: 1px solid black;">
<div class="dropdown">
<ul>
<li><a href="#" onclick="myFunction()" class="drop">Products</a></li>
<div id="myDropdown" class="dropdown-content">
<ul>
<li class="dropdown-submenu"><a onclick="myClarinetDrop()" class="clarinet-drop" href="#">Clarinet</a>
<div id="my-clarinet-dropdown" class="dropdown-content">
<ul>
<li><a href="#">Bb Clarinet</a></li>
<li><a href="#">Bb Bass Clarinet</a></li>
<li><a href="#">Eb Clarinet</a></li>
<li><a href="#">Alto Clarinet</a></li>
<li><a href="#">Bb German Clarinet</a></li>
<li><a href="#">Bb Contrabass Clarinet</a></li>
</ul>
</li>
<li><a href="#">Saxophone</a></li>
<li><a href="#">Flute</a></li>
<li><a href="#">Bassoon</a></li>
<li><a href="#">Recorder</a></li>
<li><a href="#">Brass</a></li>
<li><a href="#">Guitar</a></li>
<li><a href="#">Piano</a></li>
<li><a href="#">Orchestral</a></li>
<li><a href="#">Percussion</a></li>
</div><!--closes "myDropdown"-->
</ul>
</div><!--closes dropdown-->
</li>
<li class="main-menu-list-items"style="border: 1px solid black;">
<span>Shop By Brands</span>
</li>
<li class="main-menu-list-items" style="border: 1px solid black;">
<span>How To Order</span>
</li>
<li class="main-menu-list-items" style="border: 1px solid black;">
<span>Quick Order</span>
</li>
<li class="main-menu-list-items" style="border: 1px solid black;">
<span>About Us</span>
</li>
</ul><!--closes "main-menu"-->
</div><!--closes "main-page"-->
</div><!--closes "container-fluid"-->
</body>
CSS:
body {
margin:0;
padding:0;
}
.main-menu-list-items {
list-style-type:none;/*removes bullet point*/
float:left;/*puts list items side by side -- with no spaces*/
padding:15px 75px;
}
.dropdown {
position: relative;
display: inline-block;
}
.dropdown >ul {
margin-left:-40px;
}
/* Dropdown Content (Hidden by Default) */
.dropdown-content {
display:none;
position: absolute;
min-width: 1154px;
border:1px solid black;
margin-left:-76px;
margin-top:15px;
height:50px;
list-style-type:none;
}
.dropdown-content > ul {
list-style-type:none;
}
.dropdown-content >ul >li {
position:relative;
float:left;
padding:15px 29px;
}
.dropdown-submenu > div > ul > li {
position:relative;
float:left;
padding:15px 52px 0 30px;
}
.dropdown-submenu > div > ul {
border:1px solid black;
height:50px;
margin-left:-70px;
bottom:-54px;
min-width: 1114px;
position:absolute;
list-style-type:none;
display:none;
}
/*显示的下拉菜单(JS使用这个类,当用户单击下拉按钮添加到.dropdown内容容器)*/ .show {显示:块;}
JQuery的:
$(' .main-menu-list-items > .dropdown').click(function() {
var submenu = $(this).children('.dropdown > ul');
if($('.dropdown-content').css('display') == 'none') {
$(submenu).show();
}
else {
$(submenu).hide();
}
});