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javascript - 子菜单未按预期定位

转载 作者:可可西里 更新时间:2023-11-01 15:01:43 26 4
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我想使我的下拉菜单如下图所示。问题是当我将鼠标悬停在主菜单的第二项上时,子菜单从顶部留出空白,如图片左侧所示。我不想要那个空旷的空间。对于所有具有子菜单的主菜单选项,我希望子菜单始终以相同的大小和位置显示。

only the freehand red circle is missing

.dropdown-submenu {
position:relative;
}
.dropdown-submenu>.dropdown-menu {
top:0;
left:100%;
margin-top:-6px;
margin-left:0px;
-webkit-border-radius:0 6px 6px 6px;
-moz-border-radius:0 6px 6px 6px;
border-radius:0 6px 6px 6px;
}

.dropdown-submenu > a:after {
content: " ";
display: block;
float: right;
height: 0;
margin-right: -1px;
margin-top: 5px;
width: 190px;
padding-left:10px;
}
#abg > li > a:hover, #abg > .active > a:hover {
text-decoration: none;
background-color:#49b3e7;
padding-top:15px;
padding-bottom:20px;
}

@media (max-width: 767px) {
.navbar-nav {
display: inline;
}
.navbar-default .navbar-brand {
display: inline;
}
.navbar-default .navbar-toggle .icon-bar {
background-color: #fff;
}
.navbar-default .navbar-nav .dropdown-menu > li > a {
color: red;
background-color: #ccc;
border-radius: 4px;
margin-top: 2px;
}
.navbar-default .navbar-nav .open .dropdown-menu > li > a {
color: #333;
}
.navbar-default .navbar-nav .open .dropdown-menu > li > a:hover,
.navbar-default .navbar-nav .open .dropdown-menu > li > a:focus {
background-color: #ccc;
}

.navbar-nav .open .dropdown-menu {
border-bottom: 1px solid white;
border-radius: 0;
}
.dropdown-menu {
padding-left: 10px;
}
.dropdown-menu .dropdown-menu {
padding-left: 20px;
}
.dropdown-menu .dropdown-menu .dropdown-menu {
padding-left: 30px;
}
li.dropdown.open {
border: 0px solid red;
}
}

@media (min-width: 768px) {
ul.nav li:hover > ul.dropdown-menu {
display: block;
}
#navbar {
text-align: center;
}
}
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet"/>
<div id="navbar">
<nav class="navbar navbar-default navbar-fixed-top hidden-xs " role="navigation" style="background-color:#49b3e7;color:white;margin-top:50px;cursor:pointer">
<div class="navbar-header">
<button type="button" class="navbar-toggle" data-toggle="collapse" data-target="#navbar-collapse-1">
<span class="sr-only">Toggle navigation</span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
</div>
<div class="collapse navbar-collapse" id="navbar-collapse-1">
<ul class="nav navbar-nav">
<li class="dropdown" style="cursor:pointer">
<a href="ab10.html"><span class="dropdown-toggle" data-toggle="dropdown" style="color:white;cursor:pointer;">All Products </span><span class="caret" style="color:white;cursor:pointer;"></span></a>
<ul class="dropdown-menu" id="abg">
<li class="dropdown dropdown-submenu">
<a href="ab10.html" style="cursor:pointer;padding-top:15px;padding-bottom:20px;">
<div class="container-fluid">
<div class="row">
<div class="col-sm-4" id="firstdivtext"><span class="dropdown-toggle" data-toggle="dropdown" style="cursor:pointer;padding-top:15px;padding-bottom:20px;">Grocery</span></div>
<div class="col-sm-4"></div>
<div class="col-sm-4"><span class="glyphicon glyphicon-chevron-right " id="thirddivarrow"></span></div>
</div>
</div>
</a>
<ul class="dropdown-menu" id="abg" style="width:250px;height:500px;border:1px solid white;text-align: -webkit-match-parent;">
<li><a href="ab2.html" style="padding-top:15px;padding-bottom:15px;">Meals & Prep</a></li>
<li><a href="ab3.html" style="padding-top:15px;padding-bottom:15px;">Spreads & Sweeteners</a></li>
<li><a href="ab4.html" style="padding-top:15px;padding-bottom:15px;">Breafast</a></li>
<li><a href="ab5.html" style="padding-top:15px;padding-bottom:15px;">Salty Snacks</a></li>
<li><a href="ab6.html" style="padding-top:15px;padding-bottom:15px;">Chocolate & Candy</a></li>
<li><a href="ab7.html" style="padding-top:15px;padding-bottom:15px;">Condiments & Spices</a></li>
<li><a href="ab8.html" style="padding-top:15px;padding-bottom:15px;">Fruits & Nuts</a></li>
<li><a href="ab9.html" style="padding-top:15px;padding-bottom:15px;">Cookies & Bars</a></li>
<hr>
<li><a href="ab11.html" style="padding-top:15px;padding-bottom:15px;">Shop All Grocery</a></li>
</ul>
<ul class="dropdown-menu pull right" style="width:250px;height:500px;margin-left:240px;border:1px solid white;">
<a href="#">
<h3 style="color:#49b3e7;margin-left:70px;margin-top:190px;"> Dole-licious </br>Snacks </h3>
<img src="grocery1.png" class="img-responsive"></a>
</ul>
</li>
<li class="dropdown dropdown-submenu">
<a href="ab10.html" style="cursor:pointer;padding-top:15px;padding-bottom:20px;">
<div class="container-fluid">
<div class="row">
<div class="col-sm-4" id="firstdivtext"><span class="dropdown-toggle" data-toggle="dropdown" style="cursor:pointer;padding-top:15px;padding-bottom:20px;">Beverages</span></div>
<div class="col-sm-4"></div>
<div class="col-sm-4"><span class="glyphicon glyphicon-chevron-right " id="thirddivarrow"></span></div>
</div>
</div>
</a>
<ul class="dropdown-menu" id="abg" style="width:250px;height:500px;border:1px solid white;text-align: -webkit-match-parent;">
<li><a href="ab12.html" style="padding-top:15px;padding-bottom:15px;">Coffee & Tea</a></li>
<li><a href="ab13.html" style="padding-top:15px;padding-bottom:15px;">Dairy</a></li>
<li><a href="ab14.html" style="padding-top:15px;padding-bottom:15px;">Jucies</a></li>
<li><a href="ab15.html" style="padding-top:15px;padding-bottom:15px;">Mixes</a></li>
<li><a href="ab16.html" style="padding-top:15px;padding-bottom:15px;">Sports & Energy</a></li>
<li><a href="ab17.html" style="padding-top:15px;padding-bottom:15px;">Water & Sparkling</a></li>
<hr>
<li><a href="ab18.html" style="padding-top:15px;padding-bottom:15px;">Shop All Beverages</a></li>
</ul>
<ul class="dropdown-menu pull right" style="width:250px;height:500px;margin-left:240px;border:1px solid white;margin-top:-61px;">
<a href="#">
<h3 style="color:#49b3e7;margin-left:77px;margin-top:163px;"> Flavorful</br> fun made </br>easy</h3>
<img src="beverages1.png" class="img-responsive"></a>
</ul>
</li>
<li class="dropdown dropdown-submenu">
<a href="ab10.html" style="cursor:pointer;padding-top:15px;padding-bottom:20px;">
<div class="container-fluid">
<div class="row">
<div class="col-sm-4" id="firstdivtext"><span class="dropdown-toggle" data-toggle="dropdown" style="cursor:pointer;padding-top:15px;padding-bottom:20px;">Bath & Body</span></div>
<div class="col-sm-4"></div>
<div class="col-sm-4"><span class="glyphicon glyphicon-chevron-right " id="thirddivarrow"></span></div>
</div>
</div>
</a>
<ul class="dropdown-menu" id="abg" style="width:250px;height:500px;border:1px solid white;">
<li><a href="ab19.html" style="padding-top:15px;padding-bottom:15px;">Deodorants</a></li>
<li><a href="ab20.html" style="padding-top:15px;padding-bottom:15px;">Hand Soaps</a></li>
<li><a href="ab21.html" style="padding-top:15px;padding-bottom:15px;">Shaving</a></li>
<li><a href="ab22.html" style="padding-top:15px;padding-bottom:15px;">Shower</a></li>
<li><a href="ab23.html" style="padding-top:15px;padding-bottom:15px;">Skin Care</a></li>
<hr>
<li><a href="ab24.html" style="padding-top:15px;padding-bottom:15px;">Shop All Bath & Body</a></li>
</ul>
<ul class="dropdown-menu pull right" style="width:250px;height:500px;margin-left:240px;border:1px solid white;margin-top:-116px;">
<a href="#">
<h3 style="color:#49b3e7;margin-left:70px;margin-top:190px;"> Would you </br>Lather </h3>
<img src="bath&body1.png" class="img-responsive"></a>
</ul>
</li>
<li class="dropdown dropdown-submenu">
<a href="ab10.html" style="cursor:pointer;padding-top:15px;padding-bottom:20px;">
<div class="container-fluid">
<div class="row">
<div class="col-sm-4" id="firstdivtext"><span class="dropdown-toggle" data-toggle="dropdown" style="cursor:pointer;padding-top:15px;padding-bottom:20px;">Health</span></div>
<div class="col-sm-4"></div>
<div class="col-sm-4"><span class="glyphicon glyphicon-chevron-right " id="thirddivarrow"></span></div>
</div>
</div>
</a>
<ul class="dropdown-menu" id="abg" style="width:250px;height:500px;border:1px solid white;">
<li><a href="ab25.html" style="padding-top:15px;padding-bottom:15px;">Ladies</a></li>
<li><a href="ab26.html" style="padding-top:15px;padding-bottom:15px;">Dental & Eye</a></li>
<li><a href="ab27.html" style="padding-top:15px;padding-bottom:15px;">Relief</a></li>
<li><a href="ab28.html" style="padding-top:15px;padding-bottom:15px;">Supplements</a></li>
<li><a href="ab29.html" style="padding-top:15px;padding-bottom:15px;">Adult Care</a></li>
<hr>
<li><a href="ab30.html">Shop All Health</a></li>
</ul>
<ul class="dropdown-menu pull right" style="width:250px;height:500px;margin-left:240px;border:1px solid white;margin-top:-171px;">
<a href="#">
<h3 style="color:#49b3e7;margin-left:70px;margin-top:190px;">Picture of </br>Health </h3>
<img src="health.png" class="img-responsive"></a>
</ul>
</li>
<li class="dropdown dropdown-submenu">
<a href="ab10.html" style="cursor:pointer;padding-top:15px;padding-bottom:20px;">
<div class="container-fluid">
<div class="row">
<div class="col-sm-4" id="firstdivtext"><span class="dropdown-toggle" data-toggle="dropdown" style="cursor:pointer;padding-top:15px;padding-bottom:20px;">Cleaning Supplies</span></div>
<div class="col-sm-4"></div>
<div class="col-sm-4"><span class="glyphicon glyphicon-chevron-right " id="thirddivarrow"></span></div>
</div>
</div>
</a>
<ul class="dropdown-menu" id="abg" style="width:250px;height:500px;border:1px solid white;">
<li><a href="ab31.html" style="padding-top:15px;padding-bottom:15px;">Surface Cleaners</a></li>
<li><a href="ab32.html" style="padding-top:15px;padding-bottom:15px;">Paper & Plastic</a></li>
<li><a href="ab33.html" style="padding-top:15px;padding-bottom:15px;">Laundry</a></li>
<li><a href="ab34.html" style="padding-top:15px;padding-bottom:15px;"> Dish Soaps</a></li>
<li><a href="ab35.html" style="padding-top:15px;padding-bottom:15px;">Air & Fresheners</a></li>
<hr>
<li><a href="ab36.html" style="padding-top:15px;padding-bottom:15px;">Shop All Cleaning Supplies</a></li>
</ul>
<ul class="dropdown-menu pull right" style="width:250px;height:500px;margin-left:240px;border:1px solid white;margin-top:-226px;">
<a href="#">
<h3 style="color:#49b3e7;margin-left:70px;margin-top:190px;"> So Fresh </br>and Clean </h3>
<img src="cleaning.png" class="img-responsive"></a>
</ul>
</li>
<li class="dropdown dropdown-submenu">
<a href="ab10.html" style="cursor:pointer;padding-top:15px;padding-bottom:20px;">
<div class="container-fluid">
<div class="row">
<div class="col-sm-4" id="firstdivtext"><span class="dropdown-toggle" data-toggle="dropdown" style="cursor:pointer;padding-top:15px;padding-bottom:20px;">Home & Office</span></div>
<div class="col-sm-4"></div>
<div class="col-sm-4"><span class="glyphicon glyphicon-chevron-right " id="thirddivarrow"></span></div>
</div>
</div>
</a>
<ul class="dropdown-menu" id="abg" style="width:250px;height:500px;border:1px solid white;">
<li><a href="ab37.html" style="padding-top:15px;padding-bottom:15px;">Stationery</a></li>
<li><a href="ab38.html" style="padding-top:15px;padding-bottom:15px;">Appliances & Tools</a></li>
<li><a href="ab39.html" style="padding-top:15px;padding-bottom:15px;">Tabletop & Storage</a></li>
<hr>
<li><a href="ab40.html" style="padding-top:15px;padding-bottom:15px;">Shop All Home & Office</a></li>
</ul>
<ul class="dropdown-menu pull right" style="width:250px;height:500px;margin-left:240px;border:1px solid white;margin-top:-281px;">
<a href="#">
<h3 style="color:#49b3e7;margin-left:70px;margin-top:190px;"> Lock in the </br>freshness </h3>
<img src="home.png" class="img-responsive"></a>
</ul>
</li>
<li class="dropdown dropdown-submenu">
<a href="ab10.html" style="cursor:pointer;padding-top:15px;padding-bottom:20px;">
<div class="container-fluid">
<div class="row">
<div class="col-sm-4" id="firstdivtext"><span class="dropdown-toggle" data-toggle="dropdown" style="cursor:pointer;padding-top:15px;padding-bottom:20px;">Babies & Kids </span></div>
<div class="col-sm-4"></div>
<div class="col-sm-4"><span class="glyphicon glyphicon-chevron-right " id="thirddivarrow"></span></div>
</div>
</div>
</a>
<ul class="dropdown-menu" id="abg" style="width:250px;height:500px;border:1px solid white;">
<li><a href="ab41.html" style="padding-top:15px;padding-bottom:15px;">Care & Cleaning</a></li>
<li><a href="ab42.html" style="padding-top:15px;padding-bottom:15px;">Diapers & Wipes</a></li>
<li><a href="ab43.html" style="padding-top:15px;padding-bottom:15px;">Nutrition</a></li>
<hr>
<li><a href="ab44.html" style="padding-top:15px;padding-bottom:15px;">Shop All Babies & Kids</a></li>
</ul>
<ul class="dropdown-menu pull right" style="width:250px;height:500px;margin-left:240px;border:1px solid white;margin-top:-336px;">
<a href="#">
<h3 style="color:#49b3e7;margin-left:70px;margin-top:190px;"> Baby got </br> Bath </h3>
<img src="baby.png" class="img-responsive"></a>
</ul>
</li>
<li><a href="ab45.html" style="padding-top:15px;padding-bottom:20px;">Lifestyle<span class="glyphicon glyphicon-chevron-right" style="margin-left:150px;color: rgba(255, 255, 255, .1);"></span></a></li>
<li><a href="ab46.html" style="padding-top:15px;padding-bottom:20px;border-bottom:1px solid #6d6d6d;">Pets <span class="glyphicon glyphicon-chevron-right" style="margin-left:150px;color:rgba(255, 255, 255, .1);"></span></a></li>
<li><a href="ab47.html" style="padding-top:15px;padding-bottom:20px;">Shop All Products <span class="glyphicon glyphicon-chevron-right" style="margin-left:100px;color:rgba(255, 255, 255, .1);"></span></a></li>
</ul>
</li>
<li><a href="ab49.html" style="color:white;">Best Sellers</a></li>
<li><a href="ab50.html" style="color:white;">What's New</a></li>
<li><a href="ab51.html" style="color:white;">On Sale</a></li>
<li><a href="ab52.html" style="color:white;">Samples</a></li>
</ul>
</div>
</nav>
</div>

最佳答案

您必须在 CSS 中添加 position: statictop: 0

.dropdown-submenu {
position: static;
top: 0;
left: 100%;
}

关于javascript - 子菜单未按预期定位,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/46952549/

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