SO Example
Example for answer on http://stackoverflow.com/questions/13437446/how-to-display-selected-item-in-bootstrap-button-dropdown-title/22000328?noredirect=1#comment51687750_22000328
by imran44
HTML
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap-theme.min.css">
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js"></script>
<div>Country</div>
<div class="row" name="country_checkbox" id="id_row">
<div class="dropdown">
<a aria-expanded="false" aria-haspopup="true" role="button" data-toggle="dropdown" class="dropdown-toggle" href="#">
<span id="selected">Chose option</span><span class="caret"></span></a>
<ul id="id_country">
<li><label for="id_country_0"><input type="checkbox" name="country" value="US"
placeholder="Select Country" id="id_country_0" onclick="filter_type();">
US</label>
</li>
<li><label for="id_country_1"><input type="checkbox" name="country" value="India"
placeholder="Select Country" id="id_country_1" onclick="filter_type();">
India</label>
</li>
<li><label for="id_country_2"><input type="checkbox" name="country" value="Japan"
placeholder="Select Country" id="id_country_2" onclick="filter_type();">
Japan</label>
</li>
<li><label for="id_country_3"><input type="checkbox" name="country" value="UK"
placeholder="Select Country" id="id_country_3" onclick="filter_type();">
UK</label>
</li>
</ul>
</div>