用jquery实现下拉
时间: 2023-11-20 15:16:11 浏览: 32
可以用以下代码实现基本的下拉菜单:
HTML代码:
```
<div class="dropdown">
<button class="dropbtn">下拉菜单</button>
<div class="dropdown-content">
<a href="#">选项1</a>
<a href="#">选项2</a>
<a href="#">选项3</a>
</div>
</div>
```
CSS代码:
```
.dropdown {
position: relative;
display: inline-block;
}
.dropbtn {
background-color: #4CAF50;
color: white;
padding: 12px;
font-size: 16px;
border: none;
cursor: pointer;
}
.dropdown-content {
display: none;
position: absolute;
z-index: 1;
}
.dropdown-content a {
color: black;
padding: 12px 16px;
text-decoration: none;
display: block;
}
.dropdown:hover .dropdown-content {
display: block;
}
```
jQuery代码:
```
$(document).ready(function(){
$(".dropdown").hover(function(){
$(this).find(".dropdown-content").toggle();
});
});
```
这段代码实现了当鼠标悬停在下拉菜单按钮上时,下拉菜单会显示;当鼠标移开时,下拉菜单会隐藏。