ons-checkbox"&gt;
  &lt;button class="btn"&gt;Left&lt;/button&gt;
  &lt;button class="btn"&gt;Middle&lt;/button&gt;
  &lt;button class="btn"&gt;Right&lt;/button&gt;
&lt;/div&gt;

&lt;!-- Add data-toggle="buttons-radio" for radio style toggling on btn-group --&gt;
&lt;div class="btn-group" data-toggle="buttons-radio"&gt;
  &lt;button class="btn"&gt;Left&lt;/button&gt;
  &lt;button class="btn"&gt;Middle&lt;/button&gt;
  &lt;button class="btn"&gt;Right&lt;/button&gt;
&lt;/div&gt;
</pre>
          <h3>Methods</