-- Dropdown --> <li class="nav-item dropdown"> <a class="nav-link dropdown-toggle" href="#" id="navbardrop" data-bs-toggle="dropdown"> Dropdown link </a> <div class="dropdown-menu"> <a class="dropdown-item" href="#">Link 1</a> <a class="dropdown-item" href="#">...
data-toggle="dropdown"才能有效。对于菜单部分,设置class="dropdown-menu"才能 自动隐藏并添加固定样式。设置 class="caret"表示箭头,可上可下。 其中dropdown-menu中将属性min-width设置成100%,就会使下拉框长度与按钮长度保持一致。
方法/步骤 1 <buttonid="Province"type="button"class=""data-toggle="dropdown"aria-expanded="false">省/直辖市/自治区<spanclass=""></span></button><inputtype="hidden"id="HidPro"/><ulclass="dropdown-menu"id="Province"role="menu"aria-labelledby="Province"><li><ahref="#"onclick="Stud...
1.步骤(1)要做为下拉菜单的li增加class="dropdown"(2)为li中文字添加超链接书籍(3)li>ul添加(4)li>ul>li添加:Java核心技术或Java核心技术(5)各子菜单对就的div添加:Java核心技术:50元2.代码 dropdo
<a class="btn dropdown-toggle"> Dropdown link </a> <ul class="dropdown-menu"> <li><a class="dropdown-item">Action</a></li> <li><a class="dropdown-item">Another action</a></li> <li> <a class="dropdown-item">Something else here</a> ...
Dropdown menus now have a new.dropdown-menu-darkmodifier class. Similarly, carousels now have a new.carousel-darkmodifier class to invert the controls, text, and indicators. Addedicon examples to our Alert componentfor adding Bootstrap Icons (or other icon libraries) using utilities ...
<li class="nav-item dropdown"> <a class="nav-link dropdown-toggle" data-bs-toggle="dropdown" href="" role="button" aria-expanded="false">Dropdown</a> <ul class="dropdown-menu"> <li><a class="dropdown-item" href="tab1.html">Action</a></li> ...
输入框中添加下拉菜单不需要使用 .dropdown 类 <div class="container mt-3"><h3>设置下拉菜单</h3><div class="input-group mt-3 mb-3"><button type="button" class="btn btn-primary dropdown-toggle" data-bs-toggle="dropdown">选择网站</button><ul class="dropdown-menu"><li><a class="dr...
Dropdown button Copy <div class="dropdown"> <button class="btn btn-secondary dropdown-toggle" type="button" id="dropdownMenuButton1" data-bs-toggle="dropdown" aria-expanded="false"> Dropdown button </button> <ul class="dropdown-menu" aria-labelledby="dropdownMenuButton1"> <li><a ...
第一、实现悬停下拉菜单效果 1、修改bootstrap.js文件 2、添加脚本 $(document).ready(function(){ dropdownOpen(); }); function dropdownOpen...第二、实现主导航可点击打开 $(document).ready(function(){ $(document).off('click.bs.dropdown.data-api'); }); 添加脚本到bootstrap.js...总结,这样...