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Pure jquery to implement drop-down menu effect (code example)
- PHPzforward
- 2016-05-16 15:42:502764browse
The example in this article describes how jquery can display underline and drop-down menu effects when the mouse passes over it. It has certain reference value. Friends in need can refer to it. I hope it will be helpful to everyone.
What is introduced here is a website slide-down navigation menu with a black and red gradient. It is a slide-down navigation menu implemented based on jquery. When the mouse passes the main menu, the slide-down menu will automatically follow where it goes. If the menu If there are two levels of submenus, the drop-down menu will also be displayed with a gradient effect. The menu operation is very sensitive and uses a custom encapsulated plug-in SuperSlide.2.1.js. Please download this JS plug-in when using it.
A screenshot of the running effect is as follows:
 "162218951428259Pure jquery to implement drop-down menu effect (code example)")
The online demo address is as follows:
http://demo.jb51.net/js/2015 /jquery-mouse-over-buttom-line-show-menu-codes/
The specific codes are 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>jQuery带下划线导航菜单</title>
<style>
*{margin: 0;padding: 0;list-style: none;}
body{background: #fff;font-size: 12px;}
img{border: 0;}
a{text-decoration: none;color: #333;}
a: hover{color: #FF8400;}
.clearfix: after{content: ".";display: block;height: 0;clear: both;visibility: hidden;}
.clearfix10: after{content: ".";display: block;height: 10px;clear: both;visibility: hidden;}
.h10{height: 10px;}
.h15{height: 15px;}
#header{width: 1000px;margin: 0 auto;}
.navBar{width: 1000px;margin: 0 auto;height: 50px;line-height: 50px;background: #000;color: #333;}
.nav{position: relative;width: 980px;margin: 0 auto;font-family: "Microsoft YaHei",SimSun,SimHei;font-size: 14px;}
.nav a{color: #fff;}
.nav h3{font-size: 100%;font-weight: normal;}
.nav .m{float: left;position: relative;z-index: 1;}
.nav .s{float: left;width: 3px;text-align: center;color: #D4D4D4;font-size: 12px;}
.nav h3 a{display: block;width: 115px;text-align: center;font-weight: bold;}
.nav .sub{display: none;position: absolute;left: -3px;top: 50px;z-index: 1;width: 117px;border: 1px solid #E6E4E3;border-top: 0;background: #fff;}
.nav .sub li{text-align: center;padding: 0 8px;margin-bottom: -1px;}
.nav .sub li a{display: block;border-bottom: 1px solid #E6E4E3;padding: 8px 0;height: 28px;line-height: 28px;color: #000;font-size: 12px;font-weight: bold;}
.nav .sub li a: hover{color: #FE7700;}
.nav .block{height: 8px;width: 120px;background: #FE7700;position: absolute;left: 0;top: 42px;overflow: hidden;}
</style>
<script src="js/jquery-1.6.2.min.js" type="text/javascript"></script>
</head>
<body>
<br>
<div class="navBar">
<ul class="nav clearfix">
<li class="m">
<h3><a target="_blank" href="#">网站首页</a></h3>
</li>
<li class="s">|</li>
<li class="m">
<h3><a target="_blank" href="#" title="关于我们">关于我们</a></h3>
<ul class="sub">
<li><a href="" title="企业简介">企业简介</a></li>
<li><a href="" title="组织架构">组织架构</a></li>
<li><a href="" title="企业资质">企业资质</a></li>
<li><a href="" title="企业文化">企业文化</a></li>
</ul>
</li>
<li class="s">|</li>
<li class="m">
<h3><a target="_blank" href="#">资质认定</a></h3>
<ul class="sub">
<li><a href="" title="国家高新认证">国家高新认证</a></li>
<li><a href="" title="软件企业认证">软件企业认证</a></li>
<li><a href="" title="深圳市高企认证">深圳市高企认证</a></li>
<li><a href="" title="其它认证">其它认证</a></li>
</ul>
</li>
<li class="s">|</li>
<li class="m">
<h3><a target="_blank" href="#">政府扶持</a></h3>
<ul class="sub" style="display: none;">
<li><a href="" title="深圳市级扶持">深圳市扶持</a></li>
<li><a href="" title="各区级扶持">各区级扶持</a></li>
<li><a href="" title="广东省级扶持">广东省扶持</a></li>
<li><a href="" title="国家和部级扶持">国家扶持</a></li>
</ul>
</li>
<li class="s">|</li>
<li class="m">
<h3><a target="_blank" href="#" title="知识产权">知识产权</a></h3>
<ul class="sub" style="display: none;">
<li><a href="" title="知识产权申请">知识产权申请</a></li>
<li><a href="" title="知识产权转让">知识产权转让</a></li>
<li><a href="" title="技术咨询">技术咨询</a></li>
<li><a href="" title="技术成果鉴定">技术成果鉴定</a></li>
</ul>
</li>
<li class="s">|</li>
<li class="m">
<h3><a target="_blank" href="#" title="上市服务">上市服务</a></h3>
<ul class="sub" style="display: none;">
<li><a href="" title="上市条件及流程">上市条件及流程</a></li>
<li><a href="" title="上市顾问">上市顾问</a></li>
<li><a href="" title="税收筹划">税收筹划</a></li>
<li><a href="" title="资产重组">资产重组</a></li>
</ul>
</li>
<li class="s">|</li>
<li class="m">
<h3><a target="_blank" href="Job.aspx" title="人才招聘">人才招聘</a></h3>
</li>
<li class="s">|</li>
<li class="m">
<h3><a target="_blank" href="Contact.aspx" title="联系我们">联系我们</a></h3>
</li>
<li class="block" style="left: 251px;"></li>
</ul>
</div>
<script type="text/javascript" src="js/SuperSlide.2.1.js"></script>
<script type="text/javascript">
$(function(){
var nav = $(".nav");
var init = $(".nav .m").eq(ind);
var block = $(".nav .block");
block.css({
"left": init.position().left - 3
});
nav.hover(function() {},
function() {
block.stop().animate({
"left": init.position().left - 3
},
100);
});
$(".nav").slide({
type: "menu",
titCell: ".m",
targetCell: ".sub",
delayTime: 300,
triggerTime: 0,
returnDefault: true,
defaultIndex: ind,
startFun: function(i, c, s, tit) {
block.stop().animate({
"left": tit.eq(i).position().left - 3
},
100);
}
});
});
var ind = 0;
//设置
myFocus.set({
id:'myFocus',//ID
pattern:'mF_quwan'//风格
});
</script>
<div style="text-align:center;margin:300px 0; font:normal 14px/24px 'MicroSoft YaHei';">
</div>
</body>
</html>Recommended related video tutorials: jQuery Tutorial ( Video)
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