---
class: ember
---
## ToggleButton
`<ToggleButton checked="checked" @onchange={{action 'change'}} as |api|>Toggle</ToggleButton>`
`<ToggleButton />` is a straightforward combination of a `<label>` and `<input type="checkbox" />` to allow you to easily setup CSS based (`input:checked ~ *`) visual toggling. The body of the component ends up inside the `<label>`.
Additionally, a `clickoutside` is currently included, so if the toggle is in an 'on' state, clicking outside the `<ToggleButton>` itself will un-toggle the component. This could be changed in a future version for this to be configurable/preventable and/or use/rely on a modifer instead.
### Arguments
| Argument/Attribute | Type | Default | Description |
| --- | --- | --- | --- |
| `checked` | `Boolean` | false | The default value of the toggle on/off (true/false) |
| `onchange` | `Function` | | The action to fire when the data changes. Emits an Event-like object with a `target` that is a reference to the underlying standard DOM input element. |
### Methods/Actions/api
| Method/Action | Description |
| --- | --- |
| `click` | Fire a click event on the ToggleButton/input which reverse the state of the toggle. |
### Example
Here is an example of a simple CSS based dropdown menu. Note: The general sibling selector (`~`) should be used as the label/button itself is the adjacent sibling (`+`).
```handlebars
<div class="menu">
<ToggleButton>
Open Menu
</ToggleButton>
<ul>
<li><a href="">Link 1</a></li>
<li><a href="">Link 2</a></li>
</ul>
</div>
```
```css
.menu input ~ ul {
display: none;
}
.menu input:checked ~ ul {
display: block;
}
```
### See
- [Component Source Code](./index.js)
- [TemplateSource Code](./index.hbs)
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