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JS CSS implements the atmospheric black homepage navigation menu effect code_javascript skills

PHP中文网
PHP中文网Original
2016-05-16 15:39:461345browse

The example in this article describes the JS CSS code to implement the atmospheric black homepage navigation menu effect. Share it with everyone for your reference. The details are as follows:

This is an atmospheric heavy-color red high-contrast menu implemented in JS CSS. It can be used as a homepage navigation menu. From a design perspective, it is quite professional. From a practical perspective, It is widely used and is a classic style menu that everyone loves. It is a very good work.

A screenshot of the running effect is as follows:

The online demo address is as follows:

http://demo.jb51.net/ js/2015/js-css-black-style-nav-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>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>大气的黑色CSS首页导航菜单</title>
<style>
body,div,form,ul,li,span{margin:0;padding:0; list-style-type:none;}
body {text-align:center;color:#444;font-family:"宋体";font-size:12px; background:url(images/bodybg.jpg)
 top repeat-x;}
img {border:0px;}
.ml12{margin-left:12px; display:inline}
a,a:Link,a:visited{font-size:12px;color:#444; text-decoration:none}
a:hover{color:#FF3300; text-decoration:underline;}
.nav{width:1000px;float:left}
.nav ul{width:1000px;float:left;}
.nav li{width:100px;float:left; height:38px; line-height:38px;margin-right:20px; display:inline;}
.nav li a:link,.nav li a:visited{color:#E4E4E4;font-size:14px;font-weight:bold;}
.nav li a:hover{ text-decoration:none;width:100px;float:left; height:38px; line-height:38px;
background:url(images/home-bg.jpg)}
/*主导航菜单*/
#menu ul{
 padding:0;
 border:0;
 list-style:none;
 line-height:38px;
 margin-top: 0;
 margin-right: 0;
 margin-bottom: 0;
 margin-left: 15px;
 float:left;
}
#menu_out{
 width:1000px;float:left;
 margin-top:107px;
 padding-left:3px;
 margin-left:auto;
 margin-right:auto;
 height:38px; overflow:hidden;
}
#menu_in{
 padding-right:4px;
}
#menu{
 height:38px;
}
#nav{
 padding-left:20px;
}
#nav li{
 float:left;
 height:38px;
 margin-left:5px;margin-right:5px;
}
#nav li a{
 float:left;
 display:block;
 padding-left:6px;
 height:38px;
 cursor:pointer; 
 text-decoration:none;
  text-align:center;
}
#nav li a span{
 float:left; width:100px;
 line-height:38px;
 font-size:14px;
 font-weight:bold;
 color:#FFFFFF;
 text-decoration:none;
 text-align:center;
}
#nav li .nav_on{ /*鼠标经过时变换背景，方便JS获取样式*/
 background-position:left 100%;
}
#nav li .nav_on span{ /*鼠标经过时变换背景，方便JS获取样式*/
 background-position:right 100%;
 color:#fff;
 text-decoration:none;
 width:100px;background:url(images/home-bg.jpg) no-repeat;
}
.nav-bot{width:1000px;float:left; height:20px;overflow:hidden; line-height:20px; padding-top:12px; 
padding-bottom:10px;}
.nav-botinfo{width:680px;background:url(images/ico01.jpg) no-repeat left;text-align:left;padding-left:20px;
margin-left:10px; display:inline;color:#9F9F9F;}
</style>
<script type="text/javascript">
 function qiehuan(num){
  for(var id = 0;id<=7;id++)
  {
   if(id==num)
   {
    document.getElementById("qh_con"+id).style.display="block";
    document.getElementById("mynav"+id).className="nav_on";
   }
   else
   {
    document.getElementById("qh_con"+id).style.display="none";
    document.getElementById("mynav"+id).className="";
   }
  }
 }
</script>
</head>
<body style="text-align:center">
<div id=menu_out>
  <div id=menu_in>
   <div id=menu>
    <UL id=nav>
     <li><A class=nav_on id=mynav0 onmouseover=javascript:qiehuan(0) href="#"><SPAN>网站首页</SPAN></A></li>
 <li><a href="#" onmouseover="javascript:qiehuan(1)" id="mynav1" class="nav_off"><span>网站模板</span></a></li>
<li><a href="#" onmouseover="javascript:qiehuan(2)" id="mynav2" class="nav_off"><span>后台模板</span></a></li>
<li><a href="#" onmouseover="javascript:qiehuan(3)" id="mynav3" class="nav_off"><span>CSS菜单</span></a></li>
<li><a href="#" onmouseover="javascript:qiehuan(4)" id="mynav4" class="nav_off"><span>脚本下载</span></a></li>
<li><a href="#" onmouseover="javascript:qiehuan(5)" id="mynav5" class="nav_off"><span>网页特效</span></a></li>
<li><a href="#" onmouseover="javascript:qiehuan(6)" id="mynav6" class="nav_off"><span>新闻中心</span></a></li>
<li><a href="#" onmouseover="javascript:qiehuan(7)" id="mynav7" class="nav_off"><span>联系我们</span></a></li>
    </UL>
    <div id=menu_con>
     <div id=qh_con0 style="DISPLAY: block"></div> 
     <div id=qh_con1 style="DISPLAY: none"></div> 
     <div id=qh_con2 style="DISPLAY: none"></div> 
     <div id=qh_con3 style="DISPLAY: none"></div> 
     <div id=qh_con4 style="DISPLAY: none"></div> 
     <div id=qh_con5 style="DISPLAY: none"></div> 
     <div id=qh_con6 style="DISPLAY: none"></div> 
     <div id=qh_con7 style="DISPLAY: none"></div>
    </div>
   </div>
  </div>
 </div> 
</body>
</html>

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