html tutorial - How to show and hide dropdown menu on mouse hover using CSS - html5 - html code - html form
Answer: Use the CSS :hover pseudo-class
If you simply need to indicate and hide dropdown menu on mouse hover you do not want any JavaScript. you'll do that simply using the CSS show property and :hover pseudo-class
The following example can show you ways to implement an easy dropdown using the CSS.
Example
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Show Hide Dropdown Using CSS</title>
<style type="text/css">
ul{
padding: 0;
list-style: none;
background: #f2f2f2;
}
ul li{
display: inline-block;
position: relative;
line-height: 21px;
text-align: left;
}
ul li a{
display: block;
padding: 8px 25px;
color: #333;
text-decoration: none;
}
ul li a:hover{
color: #fff;
background: #939393;
}
ul li ul.dropdown{
min-width: 100%; /* Set width of the dropdown */
background: #f2f2f2;
display: none;
position: absolute;
z-index: 999;
left: 0;
}
ul li:hover ul.dropdown{
display: block; /* Display the dropdown */
}
ul li ul.dropdown li{
display: block;
}
</style>
</head>
<body>
<ul>
<li><a href="#">Home</a></li>
<li><a href="#">About</a></li>
<li>
<a href="#">Products ▾</a>
<ul class="dropdown">
<li><a href="#">Laptops</a></li>
<li><a href="#">Keyboards</a></li>
<li><a href="#">Printers</a></li>
</ul>
</li>
<li><a href="#">Contact</a></li>
</ul>
</body>
</html>