How to set up bootstrap drop-down list
This chapter will focus on the Bootstrap drop-down menu. Dropdown menus are toggleable and are context menus that display links in a list format. This can be achieved by interacting with the Dropdown JavaScript plugin.
If you need to use the drop-down menu, you only need to add the drop-down menu in class .dropdown. (Recommended learning: Bootstrap video tutorial)
The following example demonstrates the basic drop-down menu:
<div class="dropdown"> <button type="button" class="btn dropdown-toggle" id="dropdownMenu1" data-toggle="dropdown">主题 <span class="caret"></span> </button> <ul class="dropdown-menu" role="menu" aria-labelledby="dropdownMenu1"> <li role="presentation"> <a role="menuitem" tabindex="-1" href="#">Java</a> </li> <li role="presentation"> <a role="menuitem" tabindex="-1" href="#">数据挖掘</a> </li> <li role="presentation"> <a role="menuitem" tabindex="-1" href="#">数据通信/网络</a> </li> <li role="presentation" class="divider"></li> <li role="presentation"> <a role="menuitem" tabindex="-1" href="#">分离的链接</a> </li> </ul> </div>
Class |
Description |
.dropdown |
Specify the drop-down menu, and the drop-down menu is wrapped in .dropdown |
.dropdown-menu |
Create drop-down menu |
.dropdown-menu-right |
Align the drop-down menu right |
.dropdown-header |
Add a header to the drop-down menu |
.dropup |
Specify the drop-down menu that pops up |
.disabled |
Disabled items in drop-down menu |
.divider |
Divider line in drop-down menu |
For more technical articles related to Bootstrap, please visit the Bootstrap Tutorial column to learn!
The above is the detailed content of How to set up bootstrap drop-down list. For more information, please follow other related articles on the PHP Chinese website!

Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

AI Hentai Generator
Generate AI Hentai for free.

Hot Article

Hot Tools

Notepad++7.3.1
Easy-to-use and free code editor

SublimeText3 Chinese version
Chinese version, very easy to use

Zend Studio 13.0.1
Powerful PHP integrated development environment

Dreamweaver CS6
Visual web development tools

SublimeText3 Mac version
God-level code editing software (SublimeText3)

Hot Topics



How to use Bootstrap to get the value of the search bar: Determines the ID or name of the search bar. Use JavaScript to get DOM elements. Gets the value of the element. Perform the required actions.

Using Bootstrap in Vue.js is divided into five steps: Install Bootstrap. Import Bootstrap in main.js. Use the Bootstrap component directly in the template. Optional: Custom style. Optional: Use plug-ins.

There are two ways to create a Bootstrap split line: using the tag, which creates a horizontal split line. Use the CSS border property to create custom style split lines.

Use Bootstrap to implement vertical centering: flexbox method: Use the d-flex, justify-content-center, and align-items-center classes to place elements in the flexbox container. align-items-center class method: For browsers that do not support flexbox, use the align-items-center class, provided that the parent element has a defined height.

To adjust the size of elements in Bootstrap, you can use the dimension class, which includes: adjusting width: .col-, .w-, .mw-adjust height: .h-, .min-h-, .max-h-

To set up the Bootstrap framework, you need to follow these steps: 1. Reference the Bootstrap file via CDN; 2. Download and host the file on your own server; 3. Include the Bootstrap file in HTML; 4. Compile Sass/Less as needed; 5. Import a custom file (optional). Once setup is complete, you can use Bootstrap's grid systems, components, and styles to create responsive websites and applications.

There are several ways to insert images in Bootstrap: insert images directly, using the HTML img tag. With the Bootstrap image component, you can provide responsive images and more styles. Set the image size, use the img-fluid class to make the image adaptable. Set the border, using the img-bordered class. Set the rounded corners and use the img-rounded class. Set the shadow, use the shadow class. Resize and position the image, using CSS style. Using the background image, use the background-image CSS property.

How to use the Bootstrap button? Introduce Bootstrap CSS to create button elements and add Bootstrap button class to add button text
