我有相关咨询to this question .这解决了我正在考虑解决的一个谜题。
我要在元素中使用这个水平菜单。它现在运行良好，但当悬停时它出现在背景中，因此在表单上显示其他组件。下图是我的意思的一个例子。如何让它在悬停时覆盖这些组件而不是出现在后面？
代码
<template name="HeaderLayout">
<div class="container">
<header class="clearfix">
<!--<span>School Congress</span>-->
<h1>School Management System</h1>
</header>
<div class="main">
<nav id="cbp-hrmenu" class="cbp-hrmenu">
<ul>
<li>
<a href="#">Products</a>
<div class="cbp-hrsub">
<div class="cbp-hrsub-inner">
<div>
<h4>Learning & Games</h4>
<ul>
<li><a href="#">Catch the Bullet</a></li>
<li><a href="#">Snoopydoo</a></li>
<li><a href="#">Fallen Angel</a></li>
<li><a href="#">Sui Maker</a></li>
<li><a href="#">Wave Master</a></li>
<li><a href="#">Golf Pro</a></li>
</ul>
</div>
<div>
<h4>Utilities</h4>
<ul>
<li><a href="#">Gadget Finder</a></li>
<li><a href="#">Green Tree Express</a></li>
<li><a href="#">Green Tree Pro</a></li>
<li><a href="#">Wobbler 3.0</a></li>
<li><a href="#">Coolkid</a></li>
</ul>
</div>
<div>
<h4>Education</h4>
<ul>
<li><a href="#">Learn Thai</a></li>
<li><a href="#">Math Genius</a></li>
<li><a href="#">Chemokid</a></li>
</ul>
<h4>Professionals</h4>
<ul>
<li><a href="#">Success 1.0</a></li>
<li><a href="#">Moneymaker</a></li>
</ul>
</div>
</div><!-- /cbp-hrsub-inner -->
</div><!-- /cbp-hrsub -->
</li>
<li>
<a href="#">Downloads</a>
<div class="cbp-hrsub">
<div class="cbp-hrsub-inner">
<div>
<h4>Education & Learning</h4>
<ul>
<li><a href="#">Learn Thai</a></li>
<li><a href="#">Math Genius</a></li>
<li><a href="#">Chemokid</a></li>
</ul>
<h4>Professionals</h4>
<ul>
<li><a href="#">Success 1.0</a></li>
<li><a href="#">Moneymaker</a></li>
</ul>
</div>
<div>
<h4>Entertainment</h4>
<ul>
<li><a href="#">Gadget Finder</a></li>
<li><a href="#">Green Tree Express</a></li>
<li><a href="#">Green Tree Pro</a></li>
<li><a href="#">Holy Cannoli</a></li>
<li><a href="#">Wobbler 3.0</a></li>
<li><a href="#">Coolkid</a></li>
</ul>
</div>
<div>
<h4>Games</h4>
<ul>
<li><a href="#">Catch the Bullet</a></li>
<li><a href="#">Snoopydoo</a></li>
<li><a href="#">Fallen Angel</a></li>
<li><a href="#">Sui Maker</a></li>
<li><a href="#">Wave Master</a></li>
<li><a href="#">Golf Pro</a></li>
</ul>
</div>
</div><!-- /cbp-hrsub-inner -->
</div><!-- /cbp-hrsub -->
</li>
<li>
<a href="#">Applications</a>
<div class="cbp-hrsub">
<div class="cbp-hrsub-inner">
<div>
<h4>Learning & Games</h4>
<ul>
<li><a href="#">Catch the Bullet</a></li>
<li><a href="#">Snoopydoo</a></li>
</ul>
<h4>Utilities</h4>
<ul>
<li><a href="#">Gadget Finder</a></li>
<li><a href="#">Green Tree Express</a></li>
<li><a href="#">Green Tree Pro</a></li>
<li><a href="#">Wobbler 3.0</a></li>
<li><a href="#">Coolkid</a></li>
</ul>
</div>
<div>
<h4>Education</h4>
<ul>
<li><a href="#">Learn Thai</a></li>
<li><a href="#">Math Genius</a></li>
<li><a href="#">Chemokid</a></li>
</ul>
<h4>Professionals</h4>
<ul>
<li><a href="#">Success 1.0</a></li>
<li><a href="#">Moneymaker</a></li>
</ul>
</div>
</div><!-- /cbp-hrsub-inner -->
</div><!-- /cbp-hrsub -->
</li>
<li>
<a href="#">Projects</a>
<div class="cbp-hrsub">
<div class="cbp-hrsub-inner">
<div>
<h4>Learning & Games</h4>
<ul>
<li><a href="#">Catch the Bullet</a></li>
<li><a href="#">Snoopydoo</a></li>
<li><a href="#">Fallen Angel</a></li>
<li><a href="#">Sui Maker</a></li>
<li><a href="#">Wave Master</a></li>
<li><a href="#">Golf Pro</a></li>
</ul>
<h4>Utilities</h4>
<ul>
<li><a href="#">Gadget Finder</a></li>
<li><a href="#">Green Tree Express</a></li>
</ul>
</div>
<div>
<h4>Entertainment</h4>
<ul>
<li><a href="#">Gadget Finder</a></li>
<li><a href="#">Green Tree Express</a></li>
<li><a href="#">Green Tree Pro</a></li>
<li><a href="#">Holy Cannoli</a></li>
<li><a href="#">Wobbler 3.0</a></li>
<li><a href="#">Coolkid</a></li>
</ul>
</div>
</div><!-- /cbp-hrsub-inner -->
</div><!-- /cbp-hrsub -->
</li>
<li>
<a href="#">Freeware</a>
<div class="cbp-hrsub">
<div class="cbp-hrsub-inner">
<div>
<h4>Utilities</h4>
<ul>
<li><a href="#">Green Tree Pro</a></li>
<li><a href="#">Wobbler 3.0</a></li>
<li><a href="#">Coolkid</a></li>
</ul>
<h4>Education</h4>
<ul>
<li><a href="#">Learn Thai</a></li>
<li><a href="#">Math Genius</a></li>
<li><a href="#">Chemokid</a></li>
</ul>
</div>
<div>
<h4>Professionals</h4>
<ul>
<li><a href="#">Success 1.0</a></li>
<li><a href="#">Moneymaker</a></li>
</ul>
</div>
<div>
<h4>Learning & Games</h4>
<ul>
<li><a href="#">Catch the Bullet</a></li>
<li><a href="#">Snoopydoo</a></li>
<li><a href="#">Fallen Angel</a></li>
<li><a href="#">Sui Maker</a></li>
<li><a href="#">Wave Master</a></li>
<li><a href="#">Golf Pro</a></li>
</ul>
</div>
</div><!-- /cbp-hrsub-inner -->
</div><!-- /cbp-hrsub -->
</li>
</ul>
</nav>
</div>
</div>
<script>
var cbpHorizontalMenu = (function () {
var b = $("#cbp-hrmenu > ul > li"),
g = b.children("a"),
c = $("body"),
d = -1;
function f() {
g.on("mouseover", a);
b.on("mouseover", function (h) {
h.stopPropagation()
})
}
function a(j) {
if (d !== -1) {
b.eq(d).removeClass("cbp-hropen")
}
var i = $(j.currentTarget).parent("li"),
h = i.index();
if (d === h) {
i.removeClass("cbp-hropen");
d = -1
} else {
i.addClass("cbp-hropen");
d = h;
c.off("click").on("click", e)
}
return false
}
function e(h) {
b.eq(d).removeClass("cbp-hropen");
d = -1
}
return {
init: f
}
})();
$(function () {
cbpHorizontalMenu.init();
});
</script>
</template>
最佳答案
也许您需要在样式表中添加此 CSS 规则:
.cbp-hrsub {
z-index:300;
}
如果你没有样式表，试着把它放在头部
<style>
.cbp-hrsub {
z-index:300;
}
</style>
关于javascript - 使菜单出现在前面而不是背景，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/43933486/