Bootstrap 4 JS Button
Button CSS Classes
For a tutorial about Buttons, read our Bootstrap Buttons Tutorial.
The classes below can be used to style any <a>, <button>, or <input> element:
| Class | Description | Example |
|---|---|---|
| .btn | Adds basic styling to any button | Try it |
| .btn-danger | Indicates a dangerous or potentially negative action | Try it |
| .btn-dark | Dark grey button | Try it |
| .btn-default | Indicates a default/standard button | Try it |
| .btn-info | Contextual button for informational alert messages | Try it |
| .btn-lg | Makes a large button | Try it |
| .btn-light | Light grey button | Try it |
| .btn-link | Makes a button look like a link (will still have button behavior) | Try it |
| .btn-outline-* | Creates an outlined/bordered button. Use any of the contextual classes as * (btn-outline-primary, btn-outline-success, etc) | Try it |
| .btn-primary | Provides extra visual weight and identifies the primary action in a set of buttons | Try it |
| .btn-sm | Makes a small button | Try it |
| .btn-success | Indicates a successful or positive action | Try it |
| .btn-secondary | Indicates a "less" important action | Try it |
| .btn-warning | Indicates caution should be taken with this action | Try it |
| .btn-block | Makes a block-level button (spans the full width of the parent element) | Try it |
| .active | Makes the button appear pressed | Try it |
| .disabled | Makes the button disabled | Try it |
Via JavaScript
Enable manually with:
$('.btn').button();
Button Options
| None |
Button Methods
The following table lists all available button methods.
Note: Methods can also be passed via data attributes; append the method name to data-, as in data-toggle or data-dispose.
| Method | Description | Try it |
|---|---|---|
| .button("toggle") | Makes the button look pressed | Try it |
| .button("dispose") | Destroys an element's button |

