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jQuery implements dynamic menu effects that respond to mouse scrolling_jquery

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WBOYOriginal
2016-05-16 15:38:321239browse

The example in this article describes how jQuery implements a dynamic menu effect that responds to mouse scrolling. Share it with everyone for your reference. The details are as follows:

This is a jQuery dynamic menu that responds to mouse scrolling. How do you change it horizontally and vertically? It uses the jquery plug-in. Don’t forget to load it. If there is an error in loading when viewing the effect, please refresh the page.

The screenshot of the running effect is as follows:

The online demo address is as follows:

http://demo.jb51.net/js/2015/jquery-mouse-over-dg-menu-style-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>
<title>响应鼠标滚动的jQuery动感菜单</title>
<style>
ul#topnav {
  margin: 15px 0 50px 0;
  padding: 0;
  list-style: none;
  float: left;
  font-size: 1.1em;
}
ul#topnav li {
  margin: 0;
  padding: 0;
  overflow: hidden;
  float: left;
  height: 40px;
}
ul#topnav li.home {
  width: 75px;
}
ul#topnav li.Rss {
  width: 75px;
}
ul#topnav li.Portfolio {
  width: 105px;
}
ul#topnav li.Blog {
  width: 75px;
}
ul#topnav li.About {
  width: 80px;
}
ul#topnav li.Contact {
  width: 95px;
}
ul#topnav a, ul#topnav span {
  padding: 10px 20px;
  float: left;
  text-decoration: none;
  color: #fff;
  background: url(images/a_bg.gif) repeat-x;
  text-transform: uppercase;
  clear: both;
  width: 100%;
  height: 20px;
  line-height: 20px;
}
ul#topnav a{
  color: #555;
  background-position: left bottom;
}
ul#topnav span { 
  background-position: left top;
}
ul#topnav.v2 span {
  background: transparent url(images/a_bg.gif) repeat-x left top;
}
ul#topnav.v2 a {
  background: transparent url(images/a_bg.gif) repeat-x left bottom;
  color: #555;
}
</style>
<script type="text/javascript" src="jquery1.3.2.js"></script>
</head>
<script>
$(document).ready(function() {
$("#topnav li").prepend("<span></span>");
$("#topnav li").each(function() {
var linkText = $(this).find("a").html();
$(this).find("span").show().html(linkText);}); 
$("#topnav li").hover(function() {
$(this).find("span").stop().animate({
marginTop: "-40"
}, 250);
} , function() {
$(this).find("span").stop().animate({
marginTop: "0"
}, 250);
});
});
</script>
<body>
<ul id="topnav">
 <li><a href="#">Home</a></li>
 <li><a href="#">Portfolio</a></li>
 <li><a href="#">Blog</a></li>
 <li><a href="#">About</a></li>
 <li><a href="#">Contact</a></li>
 <li><a href="#">Rss</a></li>
</ul>
</body>
</html>

I hope this article will be helpful to everyone’s jQuery programming.

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