Bootstrap button group assign input value

<?php
<div class="btn-group pull-left">
 <button class="btn dropdown-toggle" data-toggle="dropdown">Action <i class="caret"></i></button>
 <ul class="dropdown-menu">
  <li><button class="btn">Option</button></li>
 </ul>
 <input type="hidden" class="selected_input" value=""/>
</div>
?>
<script>
jQuery('body').on('click','.btn-group .btn',function(e){
e.preventDefault();
var thisselection = jQuery(this);
thisselection.parent().parent().parent().find('.selected_input').val(thisselection.data('value'));
thisselection.parent().parent().parent().find('.dropdown-toggle').html(thisselection.html() + ' <i class="caret">');
});
</script>