在这个CSS中,.dropdown-menu 默认是隐藏的(display: none),但当鼠标悬停在 .dropdown 上时,它会显示(.dropdown:hover .dropdown-menu { display: block; })。 添加JavaScript或jQuery代码以处理悬停事件(可选): 虽然在这个简单的例子中,我们只需要CSS就能实现悬停效果,但如果你需要更复杂的交互(比如动态加载...
我们可以使用一个按钮或链接来打开下拉菜单, 按钮或链接需要添加 .dropdown-toggle 和 data-toggle="dropdown" 属性。 <div> 元素上添加 .dropdown-menu 类来设置实际下拉菜单,然后在下拉菜单的选项中添加 .dropdown-item 类。 下拉菜单中的分割线 .dropdown-divider 类用于在下拉菜单中创建一个水平的分割线: ...
Now it’s time to create the actual dropdown content, which will be hidden until the user hovers over the button. For the example below, we’ll include three links in the dropdown menu. Each of the links will be wrapped in a div with the class namedropdown-content. Here’s the HTM...
dropdown-toggle 类添加了 outline: 0; on :focus 到按钮,所以当你点击按钮时,它不会有“活动”的蓝色边框元素。 检查接下来的两个按钮: <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css"> <script src="https://ajax.googleapis.com/ajax/libs/...
DOCTYPEhtml><html><head><title>Dropdown Menu</title><style>select{padding:5px;font-size:16px;}</style></head><body><selectid="dropdown"><optionvalue="option1">Option 1</option><optionvalue="option2">Option 2</option><optionvalue="option3">Option 3</option></select><script>document...
.dropdown:hover .dropdown-menu { display: block; } 在上述代码中,.menu类定义了菜单的样式,.dropdown类定义了包含下拉菜单的菜单项,.dropdown-menu类定义了下拉菜单的样式。通过设置.dropdown:hover .dropdown-menu选择器,当鼠标悬停在包含下拉菜单的菜单项上时,下拉菜单将显示出来。
Drop Down Menu Html. Create Fancy CSS3 Dropdown Menus & Buttons in Seconds! No JavaScript, No Images, No Flash : CSS Only! Navigation Iphone Css
To create a drop-down menu using the method shown in this lesson, you will need to create adivthat contains abuttonas well as anotherdivwhich contains thedrop-down menu. The drop-down menu will be hidden until the mouse cursor hovers over the main button. ...
Drop down menu entries This section allows you to enter the items that will show in the drop down menu. The 'Text shown' is what you will see for each entry; in the example above, this is 'Yahoo' and 'Google'. The link URL is the URL that this item opens when chosen or clicked...
data-toggle="dropdown" data-boundary="window" 上面的代码对我有用! 这是我在表格单元格代码中的完整下拉列表: <div class="btn-group d-md-none m-1"> <button class="btn btn-primary dropdown-toggle"type="button"id="dropdownMenuButton"data-toggle="dropdown"data-boundary="window"aria-haspopup...