Get base styles and flexible support for collapsible components like accordions and navigation.
Plugin dependency: Collapse requires the transitions plugin to be included in your version of Bootstrap.
| Class | Description | Example |
|---|---|---|
| .collapse | Hides the content | Try it |
| .collapse in | Shows the content | Try it |
| .collapsing | Added when the transition starts, and removed when it finishes |
Just add data-toggle="collapse" and a data-target to element to automatically assign control of a collapsible element. The data-target attribute accepts a CSS selector to apply the collapse to. Be sure to add the class collapse to the collapsible element. If you'd like it to default open, add the additional class in.
To add accordion-like group management to a collapsible control, add the data attribute data-parent="#selector".
Enable manually with:
Options can be passed via data attributes or JavaScript. For data attributes, append the option name to data-, as in data-parent="".
| Name | Type | Default | Description |
|---|---|---|---|
| parent | selector | false | If selector then all collapsible elements under the specified parent will be closed when this collapsible item is shown. (similar to traditional accordion behavior - this dependent on the panel class) |
| toggle | boolean | true | Toggles the collapsible element on invocation |
The following example makes a button toggle the expanding and collapsing of another element:
The following example shows a simple accordion by extending the panel component:
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