JavaScript下拉菜单实现代码_导航菜单

来源：动视网责编：小采时间：2020-11-27 20:42:46

JavaScript下拉菜单实现代码_导航菜单

JavaScript下拉菜单实现代码_导航菜单: JavaScript下拉菜单 * { padding:0; margin:0; } body { font-family:verdana, sans-serif; font-size:small; } #navigation, #navigation li ul { list-style-type:none; } #navigation { m

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导读JavaScript下拉菜单实现代码_导航菜单: JavaScript下拉菜单 * { padding:0; margin:0; } body { font-family:verdana, sans-serif; font-size:small; } #navigation, #navigation li ul { list-style-type:none; } #navigation { m

<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:small; 
} 
#navigation, #navigation li ul { 
list-style-type:none; 
} 
#navigation { 
margin:20px; 
} 
#navigation li { 
float:left; 
text-align:center; 
position:relative; 
} 
#navigation li a:link, #navigation li a:visited { 
display:block; 
text-decoration:none; 
color:#000; 
width:120px; 
height:40px; 
line-height:40px; 
border:1px solid #fff; 
border-width:1px 1px 0 0; 
background:#c5dbf2; 
padding-left:10px; 
} 
#navigation li a:hover { 
color:#fff; 
background:#2687eb; 
} 
#navigation li ul li a:hover { 
color:#fff; 
background:#6b839c; 
} 
#navigation li ul { 
display:none; 
position:absolute; 
top:40px; 
left:0; 
margin-top:1px; 
width:120px; 
} 
#navigation li ul li ul { 
display:none; 
position:absolute; 
top:0px; 
left:130px; 
margin-top:0; 
margin-left:1px; 
width:120px; 
} 
</style> 
 
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> 
 
<li onmouseover="displaySubMenu(this)" onmouseout="hideSubMenu(this)"> 
栏目1 
 
<li>栏目1->菜单1</li> 
<li>栏目1->菜单2</li> 
<li>栏目1->菜单3</li> 
<li>栏目1->菜单4</li> 
 
</li> 
<li onmouseover="displaySubMenu(this)" onmouseout="hideSubMenu(this)"> 
栏目2 
 
<li>栏目2->菜单1</li> 
<li>栏目2->菜单2</li> 
<li>栏目2->菜单3</li> 
<li>栏目2->菜单4</li> 
<li>栏目2->菜单5</li> 
 
</li> 
<li onmouseover="displaySubMenu(this)" onmouseout="hideSubMenu(this)"> 
栏目3 
 
<li onmouseover="displaySubMenu(this)" onmouseout="hideSubMenu(this)"> 
栏目3->菜单1 
 
<li>菜单1->子菜单1</li> 
<li>菜单1->子菜单2</li> 
<li>菜单1->子菜单3</li> 
<li>菜单1->子菜单4</li> 
 
</li> 
<li>栏目3->菜单2</li> 
<li onmouseover="displaySubMenu(this)" onmouseout="hideSubMenu(this)"> 
栏目3->菜单3 
 
<li>菜单3->子菜单1</li> 
<li>菜单3->子菜单2</li> 
<li>菜单3->子菜单3</li> 
 
</li> 
 
</li> 
 
</body> 
</html>

[Ctrl+A 全选注:如需引入外部Js需刷新才能执行]

JavaScript下拉菜单实现代码_导航菜单

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标签：下拉菜单菜单实现

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