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JavaScript implements a very simple and practical drop-down menu effect_javascript skills
JavaScript implements a very simple and practical drop-down menu effect_javascript skills
The example in this article describes how to implement a very simple and practical drop-down menu effect in JavaScript. Share it with everyone for your reference. The details are as follows:
This is a practical JS drop-down menu. Move the mouse over the menu to display the secondary menu. It was compiled from other websites. It took a lot of time to modify it. Now it has removed some useless code and it is more concise. , and the code compatibility seems to be good. This two-level drop-down menu is basically implemented by CSS and JavaScript. It is really simple and practical.
The screenshot of the running effect is as follows:
The online demo address is as follows:
http://demo.jb51.net/js/2015/js-css-down-show-menu-codes/
The specific code is as follows:
<!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 runat="server">
<title>JavaScript下拉菜单</title>
<style type="text/css">
* {
padding:0;
margin:0;
}
body {
font-family:verdana, sans-serif;
font-size:14px; background-color:#000;
}
#navigation, #navigation li ul {
list-style-type:none;
}
#navigation {
}
#navigation li {
float:left;
text-align:center;
position:relative;
}
#navigation li a:link, #navigation li a:visited {
display:block;
text-decoration:none;
color:#fff;
width:82px;
height:40px;
line-height:40px;
border:1px solid #fff;
border-width:1px 1px 0 0;
background:#255f9e;
padding-left:10px;
}
#navigation li a:hover {
color:#fff;
background:#ffb100;
}
#navigation li ul li a:hover {
color:#fff;
background:#ffb100
}
#navigation li ul {
display:none;
position:absolute;
top:40px;
margin-top:1px;
font-size:12px;
}
</style>
<script type="text/javascript">
function displaySubMenu(li) {
var subMenu = li.getElementsByTagName("ul")[0];
subMenu.style.display = "block";
}
function hideSubMenu(li) {
var subMenu = li.getElementsByTagName("ul")[0];
subMenu.style.display = "none";
}
</script>
</head>
<body>
<ul id="navigation">
<li onmouseover="displaySubMenu(this)" onmouseout="hideSubMenu(this)">
<a href="#">菜单1</a>
<ul>
<li><a href="#">菜单1</a></li>
<li><a href="#">菜单1</a></li>
<li><a href="#">菜单1</a></li>
<li><a href="#">菜单1</a></li>
</ul>
</li>
<li onmouseover="displaySubMenu(this)" onmouseout="hideSubMenu(this)">
<a href="#">菜单2</a>
<ul>
<li><a href="#">栏目2</a></li>
<li><a href="#">栏目2</a></li>
<li><a href="#">栏目2</a></li>
<li><a href="#">栏目2</a></li>
<li><a href="#">栏目2</a></li>
</ul>
</li>
<li onmouseover="displaySubMenu(this)" onmouseout="hideSubMenu(this)">
<a href="#">菜单3</a>
<ul>
<li><a href="#">菜单3</a></li>
<li><a href="#">菜单3</a></li>
<li><a href="#">菜单3</a></li>
<li><a href="#">菜单3</a></li>
<li><a href="#">菜单3</a></li>
</ul>
</li>
<li onmouseover="displaySubMenu(this)" onmouseout="hideSubMenu(this)">
<a href="#">菜单4</a>
<ul>
<li><a href="#">菜单4</a></li>
<li><a href="#">菜单4</a></li>
<li><a href="#">菜单4</a></li>
<li><a href="#">菜单4</a></li>
<li><a href="#">菜单4</a></li>
</ul>
</li>
<li onmouseover="displaySubMenu(this)" onmouseout="hideSubMenu(this)">
<a href="#">栏目5</a>
<ul>
<li><a href="#">菜单5</a></li>
<li><a href="#">菜单5</a></li>
<li><a href="#">菜单5</a></li>
<li><a href="#">菜单5</a></li>
<li><a href="#">菜单5</a></li>
</ul>
</li><li onmouseover="displaySubMenu(this)" onmouseout="hideSubMenu(this)">
<a href="#">栏目6</a>
<ul>
<li><a href="#">菜单6</a></li>
<li><a href="#">菜单6</a></li>
<li><a href="#">菜单6</a></li>
<li><a href="#">菜单6</a></li>
<li><a href="#">菜单6</a></li>
</ul>
</li><li onmouseover="displaySubMenu(this)" onmouseout="hideSubMenu(this)">
<a href="#">栏目7</a>
<ul>
<li><a href="#">菜单7</a></li>
<li><a href="#">菜单7</a></li>
<li><a href="#">菜单7</a></li>
<li><a href="#">菜单7</a></li>
<li><a href="#">菜单7</a></li>
</ul>
</li><li onmouseover="displaySubMenu(this)" onmouseout="hideSubMenu(this)">
<a href="#">栏目8</a>
<ul>
<li><a href="#">菜单8</a></li>
<li><a href="#">菜单8</a></li>
<li><a href="#">菜单8</a></li>
<li><a href="#">菜单8</a></li>
<li><a href="#">菜单8</a></li>
</ul>
</li><li onmouseover="displaySubMenu(this)" onmouseout="hideSubMenu(this)">
<a href="#">栏目09</a>
<ul>
<li><a href="#">菜单9</a></li>
<li><a href="#">菜单9</a></li>
<li><a href="#">菜单9</a></li>
<li><a href="#">菜单9</a></li>
<li><a href="#">菜单9</a></li>
</ul>
</li><li onmouseover="displaySubMenu(this)" onmouseout="hideSubMenu(this)">
<a href="#">栏目10</a>
<ul>
<li><a href="#">菜单10</a></li>
<li><a href="#">菜单10</a></li>
<li><a href="#">菜单10</a></li>
<li><a href="#">菜单10</a></li>
<li><a href="#">菜单10</a></li>
</ul>
</li><li onmouseover="displaySubMenu(this)" onmouseout="hideSubMenu(this)">
<a href="#">栏目11</a>
<ul>
<li><a href="#">菜单11</a></li>
<li><a href="#">菜单11</a></li>
<li><a href="#">菜单11</a></li>
<li><a href="#">菜单11</a></li>
<li><a href="#">菜单11</a></li>
</ul>
</li>
</li>
</ul>
</li>
</ul>
</body>
</html>I hope this article will be helpful to everyone’s JavaScript programming design.
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