When calling Dropdown Via Javascript $('.dropdown-toggle').dropdown(), the data-api i.e data-toggle="dropdown" still required. Read More
Use .dropdown class on parent element of dropdown menu.
Add the .dropdown-menu class to a element to initialize the dropdown menu plugin.
Call the plugin by Using class .dropdown-toggle and the data-toggle="dropdown" attribute on a button or a Hyperlink.
<div class="dropdown">
<button class="btn btn-primary dropdown-toggle" type="button" data-toggle="dropdown">Dropdown Example
<span class="caret"></span></button>
<ul class="dropdown-menu">
<li><a href="#">Option One</a></li>
<li><a href="#">Option two</a></li>
<li><a href="#">More Options</a></li>
</ul>
</div>
| Methods | Example |
|---|---|
| Call Via Javascript | $('.dropdown-toggle').dropdown(); |
| Toggles the dropdown | $('.dropdown-toggle').dropdown('toggle') |
| Event Type | Description |
| show.bs.dropdown | This event fires immediately when the show instance method is called. |
| shown.bs.dropdown | This event is fired when the dropdown has been made visible to the user (will wait for CSS transitions, to complete). |
| hide.bs.dropdown | This event is fired immediately when the hide instance method has been called. |
| hidden.bs.dropdown | This event is fired when the dropdown has finished being hidden from the user (will wait for CSS transitions, to complete). |
| Event Handler Example | $(element).on('show.bs.dropdown', function () { // do something… }) |