However, Bootstrap does add built-in support for most standard keyboard menu interactions, such as the ability to move through individual .dropdown-item elements using the cursor keys and close the menu with the ESC key.ExamplesWrap the dropdown’s toggle (your button or link) and the drop...
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let dropdown: bootstrap.Dropdown; a.addEventListener('click', (e) => { const show = a.classList.contains('show'); if (show) { a.classList.remove('show'); dropdown.hide(); } else { a.setAttribute('data-bs-toggle', 'dropdown'); dropdown.show(); a.removeAttribute('data-bs-tog...
You can install yii2-bootstrap5-dropdown via composer package manager. Either run: Copy $ php composer.phar require kartik-v/yii2-bootstrap5-dropdown "dev-master" or add: Copy "kartik-v/yii2-bootstrap5-dropdown": "dev-master" to your application's composer.json file. Manual Install ...
如果您想要单独引用该插件的功能,那么您需要引用dropdown.js。或者,正如Bootstrap 插件概览一章中所提到,您可以引用bootstrap.js或压缩版的bootstrap.min.js。 用法 您可以切换下拉菜单(Dropdown)插件的隐藏内容: 通过data 属性:向链接或按钮添加data-toggle="dropdown"来切换下拉菜单,如下所示: ...
Dropdowns.scss:下拉框模块 Javascripts/bootstrap/dropdown.js:实现下拉框响应 实现功能及原理: 下拉选项卡,默认不能实现显示选中项的功能 原理: 1、利用dropdown类作为定位点,然后让子级的列表dropdown-menu绝对定位实现,还需要加一个单击点作为设置data-toggle=”dropdown”才能做关联。 2、 需要js插件的支持 ...
dropdown.hide(); } else { a.setAttribute('data-bs-toggle', 'dropdown'); dropdown.show(); a.removeAttribute('data-bs-toggle'); } }); dropdown = new bootstrap.Dropdown(a); }); .dropdown.dropdown-item:active { background-color: inherit; } 分类: angular2 Ajanuw 粉丝- 31 关注...
To right-align the dropdown menu, add the .dropdown-menu-end class to the element with .dropdown-menu:Example Try it Yourself » DropupDropdown button If you want the dropdown menu to expand upwards instead of downwards, change the element with class="dropdown" to "dropup":Example...
Bootstrap 下拉菜单 这一章讲解了下拉菜单,但是没有涉及到交互部分,本章将具体讲解下拉菜单的交互。使用下拉菜单(Dropdown)插件,您可以向任何组件(比如导航栏、标签页、胶囊式导航菜单、按钮等)添加下拉菜单。如果您想要单独引用该插件的功能,那么您需要引用 dropdown.js。或者,正如 Bootstrap 插件概览 一章中所...