如何制作下拉菜单
How to make dropdown menu
我在网上找到了这个下拉菜单。问题是下拉菜单总是打开的，它不起作用。当我从http://codepen.io/Jeplaa/pen/IzAvx粘贴所有默认代码这行不通。你能帮帮我吗?我怎么能使当用户点击按钮时，它显示下拉菜单，直到用户再次点击按钮。
我包含了2个脚本
<script src='http://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js'></script>
<script src="assets/js/menu.js"></script>
下拉菜单的代码:
$( ".cog, .admin-text" ).on( "click", function()
{
$( ".menu" ).stop().fadeToggle( "fast" );
});/*MENU CSS------------*/
.top {
background-color:#F8F8F8;
width:100%;
height:60px;
-webkit-box-shadow: inset 0px -200px 8px -200px rgba(178,176,176,1);
-moz-box-shadow: inset 0px -200px 8px -200px rgba(178,176,176,1);
box-shadow: inset 0px -200px 8px -200px rgba(178,176,176,1);
}
.profile_img {
max-width: 28px;
max-height: 32px;
margin-top:5px;
}
.content
{
position: relative;
top: 5px;
width: 250px;
margin-left:30px;
}
.user_text {
display:inline-block;
margin-left:20px;
vertical-align:20%;
font-family: "Open Sans", sans-serif;
font-size: 15px;
}
.admin-panel
{
background: #F8F8F8;
width: 240px;
height: 40px;
color: #888;
border: none;
border-radius: 3px;
padding: 0 0 0 10px;
font: bold 13px Helvetica, sans-serif;
text-transform: uppercase;
line-height: 41px;
cursor: default;
-webkit-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
-o-user-select: none;
user-select: none;
margin-bottom: 7px;
box-shadow: 0 1px 1px rgba( 0, 0, 0, 0.2 );
}
.down
{
position: absolute;
top: 0;
right: 0;
padding: 10px 14px 0 0;
border: none;
color: #888888;
font-size: 20px;
}
.down:hover { color: #555555; }
.user_text { cursor: pointer; }
.menu a
{
display: block;
background: #F8F8F8;
width: 240px;
height: 40px;
padding: 0 0 0 10px;
font: bold 13px Helvetica, sans-serif;
text-transform: uppercase;
text-decoration: none;
color: #000000;
color: rgba( 0, 0, 0, 0.4 );
line-height: 40px;
box-shadow: 0 1px 1px rgba( 0, 0, 0, 0.2 );
font-family: "Open Sans", sans-serif;
font-size: 13px;
}
.menu a:nth-child( 2 )
{
border-top-left-radius: 3px;
border-top-right-radius: 3px;
}
.menu a:last-child
{
border-bottom-left-radius: 3px;
border-bottom-right-radius: 3px;
}
.menu a:hover { color: #555555; }
.menu a:hover > .octicon { color: #555555; }
.arrow
{
width: 0;
height: 0;
margin-left: 15px;
border-left: 7px solid transparent;
border-right: 7px solid transparent;
border-bottom: 9px solid #F8F8F8;
} <link rel="stylesheet" type="text/css" href="https://fonts.googleapis.com/css?family=Open+Sans:300">
<script src='http://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js'></script>
<div class="top">
<div class="content">
<div class="admin-panel"><img src="http://i.imgur.com/wmyOI5f.jpg" class="profile_img"><b class="user_text">Curtis Jackson</b></div> <span class="down"><img src="http://i.imgur.com/bLXw2RL.png"></span>
<div class="menu">
<div class="arrow"></div>
<a href="#">Edit User</a>
<a href="#">Worker Statistics</span></a>
<a href="#">Settings</span></a>
<a href="#">Logout</a>
</div>
</div>
</div>替换这一行:
$( ".cog, .admin-text" ).on( "click", function()
用这行:
$( ".admin-panel" ).on( "click", function()
…它会成功的。
你可以在Codepen上查看:http://codepen.io/catalin586/pen/LRbELV
你可能还想在你的菜单中默认添加一个显示none:
.menu {display: none;}
在JQ中使用
$( ".cog, .admin-text" ).on( "click", function()
{
$( ".menu" ).stop().fadeToggle( "fast" );
});
.cog和.admin-text在您的HTML中不存在。我猜你想要你的.menu出现(淡出)后，你点击.arrow或与类"。user_text"的文本
你还说.menu总是出现，当然如果你不隐藏它就会发生。在这个例子中，我通过在CSS
{display:none}来隐藏它参见下面的代码
如果这是你想要的，请告诉我。$(".down,.user_text").click(function(){
$(".menu").fadeToggle( "fast" );
}).top {
background-color:#F8F8F8;
width:100%;
height:60px;
-webkit-box-shadow: inset 0px -200px 8px -200px rgba(178,176,176,1);
-moz-box-shadow: inset 0px -200px 8px -200px rgba(178,176,176,1);
box-shadow: inset 0px -200px 8px -200px rgba(178,176,176,1);
}
.profile_img {
max-width: 28px;
max-height: 32px;
margin-top:5px;
}
.content
{
position: relative;
top: 5px;
width: 250px;
margin-left:30px;
}
.user_text {
display:inline-block;
margin-left:20px;
vertical-align:20%;
font-family: "Open Sans", sans-serif;
font-size: 15px;
}
.admin-panel
{
background: #F8F8F8;
width: 240px;
height: 40px;
color: #888;
border: none;
border-radius: 3px;
padding: 0 0 0 10px;
font: bold 13px Helvetica, sans-serif;
text-transform: uppercase;
line-height: 41px;
cursor: default;
-webkit-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
-o-user-select: none;
user-select: none;
margin-bottom: 7px;
box-shadow: 0 1px 1px rgba( 0, 0, 0, 0.2 );
}
.down
{
position: absolute;
top: 0;
right: 0;
padding: 10px 14px 0 0;
border: none;
color: #888888;
font-size: 20px;
}
.down:hover { color: #555555; }
.user_text { cursor: pointer; }
.menu a
{
display: block;
background: #F8F8F8;
width: 240px;
height: 40px;
padding: 0 0 0 10px;
font: bold 13px Helvetica, sans-serif;
text-transform: uppercase;
text-decoration: none;
color: #000000;
color: rgba( 0, 0, 0, 0.4 );
line-height: 40px;
box-shadow: 0 1px 1px rgba( 0, 0, 0, 0.2 );
font-family: "Open Sans", sans-serif;
font-size: 13px;
}
.menu a:nth-child( 2 )
{
border-top-left-radius: 3px;
border-top-right-radius: 3px;
}
.menu a:last-child
{
border-bottom-left-radius: 3px;
border-bottom-right-radius: 3px;
}
.menu a:hover { color: #555555; }
.menu a:hover > .octicon { color: #555555; }
.arrow
{
width: 0;
height: 0;
margin-left: 15px;
border-left: 7px solid transparent;
border-right: 7px solid transparent;
border-bottom: 9px solid #F8F8F8;
}
.menu { display:none}<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class="top">
<div class="content">
<div class="admin-panel"><img src="http://i.imgur.com/wmyOI5f.jpg" class="profile_img"><b class="user_text">Curtis Jackson</b></div> <span class="down"><img src="http://i.imgur.com/bLXw2RL.png"></span>
<div class="menu">
<div class="arrow"></div>
<a href="#">Edit User</a>
<a href="#">Worker Statistics</a>
<a href="#">Settings</a>
<a href="#">Logout</a>
</div>
</div>
</div>.down &.user_text
试一试:
$( ".down, .user_text" ).on( "click", function() {
$( ".menu" ).stop().fadeToggle( "fast" );
});/*MENU CSS------------*/
.top {
background-color:#F8F8F8;
width:100%;
height:60px;
-webkit-box-shadow: inset 0px -200px 8px -200px rgba(178,176,176,1);
-moz-box-shadow: inset 0px -200px 8px -200px rgba(178,176,176,1);
box-shadow: inset 0px -200px 8px -200px rgba(178,176,176,1);
}
.profile_img {
max-width: 28px;
max-height: 32px;
margin-top:5px;
}
.content
{
position: relative;
top: 5px;
width: 250px;
margin-left:30px;
}
.user_text {
display:inline-block;
margin-left:20px;
vertical-align:20%;
font-family: "Open Sans", sans-serif;
font-size: 15px;
}
.admin-panel
{
background: #F8F8F8;
width: 240px;
height: 40px;
color: #888;
border: none;
border-radius: 3px;
padding: 0 0 0 10px;
font: bold 13px Helvetica, sans-serif;
text-transform: uppercase;
line-height: 41px;
cursor: default;
-webkit-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
-o-user-select: none;
user-select: none;
margin-bottom: 7px;
box-shadow: 0 1px 1px rgba( 0, 0, 0, 0.2 );
}
.down
{
position: absolute;
top: 0;
right: 0;
padding: 10px 14px 0 0;
border: none;
color: #888888;
font-size: 20px;
}
.down:hover { color: #555555; }
.user_text { cursor: pointer; }
.menu a
{
display: block;
background: #F8F8F8;
width: 240px;
height: 40px;
padding: 0 0 0 10px;
font: bold 13px Helvetica, sans-serif;
text-transform: uppercase;
text-decoration: none;
color: #000000;
color: rgba( 0, 0, 0, 0.4 );
line-height: 40px;
box-shadow: 0 1px 1px rgba( 0, 0, 0, 0.2 );
font-family: "Open Sans", sans-serif;
font-size: 13px;
}
.menu a:nth-child( 2 )
{
border-top-left-radius: 3px;
border-top-right-radius: 3px;
}
.menu a:last-child
{
border-bottom-left-radius: 3px;
border-bottom-right-radius: 3px;
}
.menu a:hover { color: #555555; }
.menu a:hover > .octicon { color: #555555; }
.arrow
{
width: 0;
height: 0;
margin-left: 15px;
border-left: 7px solid transparent;
border-right: 7px solid transparent;
border-bottom: 9px solid #F8F8F8;
}<link rel="stylesheet" type="text/css" href="https://fonts.googleapis.com/css?family=Open+Sans:300">
<script src='http://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js'></script>
<div class="top">
<div class="content">
<div class="admin-panel"><img src="http://i.imgur.com/wmyOI5f.jpg" class="profile_img">
<b class="user_text">Curtis Jackson</b>
</div>
<span class="down">
<img src="http://i.imgur.com/bLXw2RL.png">
</span>
<div class="menu">
<div class="arrow"></div>
<a href="#">Edit User</a>
<a href="#">Worker Statistics</span></a>
<a href="#">Settings</span></a>
<a href="#">Logout</a>
</div>
</div>
</div>删除。cog并将。admin-text更改为。admin-panel
$( ".cog, .admin-text" ).on( "click", function()
$( ".admin-panel" ).on( "click", function()
希望有帮助!
$( ".admin-panel" ).on( "click", function()
{
$( ".menu" ).stop().fadeToggle( "fast" );
});/*MENU CSS------------*/
.top {
background-color:#F8F8F8;
width:100%;
height:60px;
-webkit-box-shadow: inset 0px -200px 8px -200px rgba(178,176,176,1);
-moz-box-shadow: inset 0px -200px 8px -200px rgba(178,176,176,1);
box-shadow: inset 0px -200px 8px -200px rgba(178,176,176,1);
}
.profile_img {
max-width: 28px;
max-height: 32px;
margin-top:5px;
}
.content
{
position: relative;
top: 5px;
width: 250px;
margin-left:30px;
}
.user_text {
display:inline-block;
margin-left:20px;
vertical-align:20%;
font-family: "Open Sans", sans-serif;
font-size: 15px;
}
.admin-panel
{
background: #F8F8F8;
width: 240px;
height: 40px;
color: #888;
border: none;
border-radius: 3px;
padding: 0 0 0 10px;
font: bold 13px Helvetica, sans-serif;
text-transform: uppercase;
line-height: 41px;
cursor: default;
-webkit-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
-o-user-select: none;
user-select: none;
margin-bottom: 7px;
box-shadow: 0 1px 1px rgba( 0, 0, 0, 0.2 );
}
.down
{
position: absolute;
top: 0;
right: 0;
padding: 10px 14px 0 0;
border: none;
color: #888888;
font-size: 20px;
}
.down:hover { color: #555555; }
.user_text { cursor: pointer; }
.menu a
{
display: block;
background: #F8F8F8;
width: 240px;
height: 40px;
padding: 0 0 0 10px;
font: bold 13px Helvetica, sans-serif;
text-transform: uppercase;
text-decoration: none;
color: #000000;
color: rgba( 0, 0, 0, 0.4 );
line-height: 40px;
box-shadow: 0 1px 1px rgba( 0, 0, 0, 0.2 );
font-family: "Open Sans", sans-serif;
font-size: 13px;
}
.menu a:nth-child( 2 )
{
border-top-left-radius: 3px;
border-top-right-radius: 3px;
}
.menu a:last-child
{
border-bottom-left-radius: 3px;
border-bottom-right-radius: 3px;
}
.menu a:hover { color: #555555; }
.menu a:hover > .octicon { color: #555555; }
.arrow
{
width: 0;
height: 0;
margin-left: 15px;
border-left: 7px solid transparent;
border-right: 7px solid transparent;
border-bottom: 9px solid #F8F8F8;
} <link rel="stylesheet" type="text/css" href="https://fonts.googleapis.com/css?family=Open+Sans:300">
<script src='http://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js'></script>
<div class="top">
<div class="content">
<div class="admin-panel"><img src="http://i.imgur.com/wmyOI5f.jpg" class="profile_img"><b class="user_text">Curtis Jackson</b></div> <span class="down"><img src="http://i.imgur.com/bLXw2RL.png"></span>
<div class="menu">
<div class="arrow"></div>
<a href="#">Edit User</a>
<a href="#">Worker Statistics</span></a>
<a href="#">Settings</span></a>
<a href="#">Logout</a>
</div>
</div>
</div>您没有任何带有cog或admin-text类的元素。你使用的是onclick。您提供的codePen示例包含一个admin-text类
可以在jquery中使用fadeIn和fadeOut参见jquery文档
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