The drop-down menu is a panel that displays a list of options, displayed by clicking or hovering triggers (buttons or links). Making the Bootstrap drop-down menu requires the following steps: Create a container and add the dropdown class. Add a trigger element (button or link) and add dropdown-toggle and data-toggle="dropdown" properties. Create an unordered list and add the dropdown-menu class. Add a list item that contains links or content to the list.
Bootstrap drop-down menu making guide
What is a drop-down menu?
The drop-down menu is an interactive component that displays a panel with a list of options when the user clicks or hovers.
How to make a Bootstrap drop-down menu?
To create a drop-down menu, the following HTML elements are required:
- <li>
<div> Container is used to wrap the drop-down menu<li> <code><button></button> or <a></a> elements as triggers, and the menu is displayed when the user clicks or hovers.
<li> <ul></ul> Unordered list is used to include menu options
<li> <li> List items are used to represent individual menu options
step:
- <li> Create a
<div> container and add <code>dropdown class.<li> Add the trigger element ( <button></button> or <a></a> ) inside the container and add dropdown-toggle and data-toggle="dropdown" properties.
<li> Create an unordered list of <ul></ul> and add dropdown-menu class to that list.
<li> Add a <li> list item in the <ul></ul> list and add a link or other content for each option.
Sample code:
<code class="html"><div class="dropdown"> <button class="btn btn-primary dropdown-toggle" type="button" data-toggle="dropdown"> Dropdown </button> <ul class="dropdown-menu"> <li><a href="#">Action</a></li> <li><a href="#">Another action</a></li> <li><a href="#">Something else here</a></li> </ul> </div></code>
Advanced options:
-
<li> Submenu: Create submenu using nested
<ul></ul> and <li> elements.
<li> Delimiter: Add <li role="separator" class="divider"> to separate menu items.
<li> Title: Add <li role="heading" class="dropdown-header"> to create a title.
<li> Disable Items: Add disabled attribute to disable menu items.
hint:
-
<li> Make sure the trigger element has
aria-haspopup="true" and aria-expanded="false" properties for improved accessibility.
<li> Use JavaScript to handle drop-down menu events (for example, show/hide menus).
<li> Take advantage of Bootstrap documentation and component examples for more advanced usage.
The above is the detailed content of How to do bootstrap drop-down menu. For more information, please follow other related articles on the PHP Chinese website!
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